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30secondsofcode
2020-04-16 20:10:25 +00:00
parent 9cbaaeb7f8
commit be208445a4
12 changed files with 343 additions and 428 deletions
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snippet_data/snippetList.json
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@ -72,12 +72,11 @@
"tags": [ "tags": [
"array", "array",
"string", "string",
"utility",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "aeabb3d1d2be2d44fd8a20da3b069fdd1a8ad963f27e3e1ae9f5e8b40a8908cb" "hash": "e5c607cd29800661ad8ea0506afaa42cd3f3936f835714939ceba49a5bd95638"
} }
}, },
{ {
@ -120,12 +119,11 @@
"tags": [ "tags": [
"node", "node",
"string", "string",
"utility",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "32988360d63d6d62251314a88d3f4482ec3a265d67154a92a86d4140bd61c54b" "hash": "6b8f586d9f697e08949128ec6774022484444daa8575c45a28fb1f9c8ba2c2bc"
} }
}, },
{ {
@ -294,12 +292,11 @@
"tags": [ "tags": [
"node", "node",
"string", "string",
"utility",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "1c7836009987b8b1097b54a84c38144f6cb643477f08f00b1a37e274cf0c9f78" "hash": "afb23f750b1460a89dca8424056fa581a7befd6e4f8b369ac2e93d50c94d9749"
} }
}, },
{ {
@ -371,14 +368,13 @@
"attributes": { "attributes": {
"text": "Casts the provided value as an array if it's not one.\n\nUse `Array.prototype.isArray()` to determine if `val` is an array and return it as-is or encapsulated in an array accordingly.\n\n", "text": "Casts the provided value as an array if it's not one.\n\nUse `Array.prototype.isArray()` to determine if `val` is an array and return it as-is or encapsulated in an array accordingly.\n\n",
"tags": [ "tags": [
"utility",
"array",
"type", "type",
"array",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "307add91ea4d5c2a122256f799120f580ac235567523dddeeadd6500f1e81e94" "hash": "2f0d1b37cbcc8d6646fda98864848a41cb6ecaec02f7a0ba52bb45c87a210441"
} }
}, },
{ {
@ -420,7 +416,6 @@
"tags": [ "tags": [
"function", "function",
"object", "object",
"utility",
"beginner" "beginner"
] ]
}, },
@ -465,13 +460,14 @@
"attributes": { "attributes": {
"text": "Clones a regular expression.\n\nUse `new RegExp()`, `RegExp.source` and `RegExp.flags` to clone the given regular expression.\n\n", "text": "Clones a regular expression.\n\nUse `new RegExp()`, `RegExp.source` and `RegExp.flags` to clone the given regular expression.\n\n",
"tags": [ "tags": [
"utility", "type",
"string",
"regexp", "regexp",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "3b7e9a506c229c792da093336574e3524cd1a8c794d18fc450f469f171ff83cf" "hash": "8a748ad892a46df9ff2a5e64aba3b9a35fbd9a0d0351c21e2c2bf1d40a39c046"
} }
}, },
{ {
@ -481,7 +477,7 @@
"attributes": { "attributes": {
"text": "Returns the first defined, non-null argument.\n\nUse `Array.prototype.find()` and `Array.prototype.includes()` to find the first value that is not equal to `undefined` or `null`.\n\n", "text": "Returns the first defined, non-null argument.\n\nUse `Array.prototype.find()` and `Array.prototype.includes()` to find the first value that is not equal to `undefined` or `null`.\n\n",
"tags": [ "tags": [
"utility", "type",
"beginner" "beginner"
] ]
}, },
@ -496,12 +492,12 @@
"attributes": { "attributes": {
"text": "Returns a customized coalesce function that returns the first argument that returns `true` from the provided argument validation function.\n\nUse `Array.prototype.find()` to return the first argument that returns `true` from the provided argument validation function.\n\n", "text": "Returns a customized coalesce function that returns the first argument that returns `true` from the provided argument validation function.\n\nUse `Array.prototype.find()` to return the first argument that returns `true` from the provided argument validation function.\n\n",
"tags": [ "tags": [
"utility", "type",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "b85ec57d815ff34ba3906195440fce5d2ad9f33b64d7d96159c0e1125fee283c" "hash": "26bbe0fe97b8a037808ae4b7310e54cd3a31f6a0f0a0d9c6a2ae733046501132"
} }
}, },
{ {
@ -528,13 +524,12 @@
"text": "Add special characters to text to print in color in the console (combined with `console.log()`).\n\nUse template literals and special characters to add the appropriate color code to the string output.\nFor background colors, add a special character that resets the background color at the end of the string.\n\n", "text": "Add special characters to text to print in color in the console (combined with `console.log()`).\n\nUse template literals and special characters to add the appropriate color code to the string output.\nFor background colors, add a special character that resets the background color at the end of the string.\n\n",
"tags": [ "tags": [
"node", "node",
"utility",
"string", "string",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "1ce726b8cbc9f87ff8ff6d68e0678325523b1118fa038b97f53ddad9031dbe23" "hash": "d33a3685273eb81bf2a224330007c5425f434c2292859bdfebbe1fbafd5da48c"
} }
}, },
{ {
@ -711,15 +706,14 @@
"type": "snippetListing", "type": "snippetListing",
"title": "createElement", "title": "createElement",
"attributes": { "attributes": {
"text": "Creates an element from a string (without appending it to the document). \nIf the given string contains multiple elements, only the first one will be returned.\n\nUse `document.createElement()` to create a new element.\nSet its `innerHTML` to the string supplied as the argument. \nUse `ParentNode.firstElementChild` to return the element version of the string.\n\n", "text": "Creates an element from a string (without appending it to the document).\nIf the given string contains multiple elements, only the first one will be returned.\n\nUse `document.createElement()` to create a new element.\nSet its `innerHTML` to the string supplied as the argument.\nUse `ParentNode.firstElementChild` to return the element version of the string.\n\n",
"tags": [ "tags": [
"browser", "browser",
"utility",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "d162fbc50166f304216db6ea700e5fc7f428ea33d50b204ae921e1c58552a4e0" "hash": "de8ab0037be4b5d74805237ea414516a1ca227fa2b693b01190bd50f01d362bb"
} }
}, },
{ {
@ -747,12 +741,11 @@
"tags": [ "tags": [
"string", "string",
"array", "array",
"utility",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "3169ab83e588063262fa6a01f7d7df7bd9521345c65a7c7f874f577478c90305" "hash": "e53a8dfbb2ab55c1678e462164268773fbc3876ce9cd8326fb44428694fb9f72"
} }
}, },
{ {
@ -863,7 +856,7 @@
] ]
}, },
"meta": { "meta": {
"hash": "77a01af8797ecbe71b9c9412d21c144c03a46a49dd3d0e7d869c3df38b39b2b4" "hash": "0a4684d6fc79bdbbac31df3af6c493ba7c881936ada5bc52824b4f26ca177459"
} }
}, },
{ {
@ -926,7 +919,7 @@
] ]
}, },
"meta": { "meta": {
"hash": "6fa14364405f7b99aa49c2157bdc08c02b4ce2f288db29a4348a6983460933c7" "hash": "a4e1e33c0688dbf1ca231d9d8ea315ffed93b7f83f5d8cbf0714f10fdfeda8cf"
} }
}, },
{ {
@ -1065,7 +1058,7 @@
] ]
}, },
"meta": { "meta": {
"hash": "bdc202436bee09f06a353d31841c6cfff33e8efead34c6c56ae1a1413284976d" "hash": "484bd222e636e8a8409c30ddb1fe6e3fe72ab7a43f2edf089b2758d5e9bee528"
} }
}, },
{ {
@ -1279,13 +1272,12 @@
"attributes": { "attributes": {
"text": "Extends a 3-digit color code to a 6-digit color code.\n\nUse `Array.prototype.map()`, `String.prototype.split()` and `Array.prototype.join()` to join the mapped array for converting a 3-digit RGB notated hexadecimal color-code to the 6-digit form.\n`Array.prototype.slice()` is used to remove `#` from string start since it's added once.\n\n", "text": "Extends a 3-digit color code to a 6-digit color code.\n\nUse `Array.prototype.map()`, `String.prototype.split()` and `Array.prototype.join()` to join the mapped array for converting a 3-digit RGB notated hexadecimal color-code to the 6-digit form.\n`Array.prototype.slice()` is used to remove `#` from string start since it's added once.\n\n",
"tags": [ "tags": [
"utility",
"string", "string",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "34df599e00a3541dfecf1c0780514006d8d6cadfe28905ead9e782cc3903902c" "hash": "6435af35454a85174aee2740e4a628f47b7fd5efbb73ca11044c78ac5340fc19"
} }
}, },
{ {
@ -1301,7 +1293,7 @@
] ]
}, },
"meta": { "meta": {
"hash": "6e9710c9117f500e74e65c0ee36b39fb80bd55537fa5ff9c4b1136b2667096f2" "hash": "0eac852db7a7add352b0d36677b22718b342ed9dc12f11780cac87e3b8260a05"
} }
}, },
{ {
@ -1501,12 +1493,11 @@
"date", "date",
"math", "math",
"string", "string",
"utility",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "176cd07a9486286924a7393fe631e83471e7123e3b6349309a7c1cee7746d764" "hash": "b69c2666e5ce5a98b4c91b7efcbd715209381716d9f274e42f1b8b333ae3fb3f"
} }
}, },
{ {
@ -1593,12 +1584,11 @@
"text": "Logs the name of a function.\n\nUse `console.debug()` and the `name` property of the passed method to log the method's name to the `debug` channel of the console.\n\n", "text": "Logs the name of a function.\n\nUse `console.debug()` and the `name` property of the passed method to log the method's name to the `debug` channel of the console.\n\n",
"tags": [ "tags": [
"function", "function",
"utility",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "9f8947652b9c2faba5f1bda82f992bdc81a71c67374fcc843e96ce2a327a28db" "hash": "4919ad66b88f64d19d2bb661db604ccfd7544d2265ac0d8708a06204746e4439"
} }
}, },
{ {
@ -1720,7 +1710,7 @@
] ]
}, },
"meta": { "meta": {
"hash": "f9e6687cc28cd80e68f7a6776f893c7478aaa942710e0eb7144f105eba574a54" "hash": "9e39c6a3a8ec5b51c5e16f69107fc9e90b2697b2cf2689850872071bb968723e"
} }
}, },
{ {
@ -1776,7 +1766,6 @@
"attributes": { "attributes": {
"text": "Returns an object containing the parameters of the current URL.\n\nUse `String.match()` with an appropriate regular expression to get all key-value pairs, `Array.prototype.reduce()` to map and combine them into a single object.\nPass `location.search` as the argument to apply to the current `url`.\n\n", "text": "Returns an object containing the parameters of the current URL.\n\nUse `String.match()` with an appropriate regular expression to get all key-value pairs, `Array.prototype.reduce()` to map and combine them into a single object.\nPass `location.search` as the argument to apply to the current `url`.\n\n",
"tags": [ "tags": [
"utility",
"browser", "browser",
"string", "string",
"url", "url",
@ -1784,7 +1773,7 @@
] ]
}, },
"meta": { "meta": {
"hash": "460d0f75a526126cabbc1a0b7b727b78999332bec7876959519c187cd8db96db" "hash": "6478f1648c76af5261784e25b95f1d344ecad8ff7886f049cd1c5c184fbf8444"
} }
}, },
{ {
@ -1858,13 +1847,12 @@
"text": "Creates a hash for a value using the [SHA-256](https://en.wikipedia.org/wiki/SHA-2) algorithm. Returns a promise.\n\nUse the [SubtleCrypto](https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto) API to create a hash for the given value.\n\n", "text": "Creates a hash for a value using the [SHA-256](https://en.wikipedia.org/wiki/SHA-2) algorithm. Returns a promise.\n\nUse the [SubtleCrypto](https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto) API to create a hash for the given value.\n\n",
"tags": [ "tags": [
"browser", "browser",
"utility",
"advanced", "advanced",
"promise" "promise"
] ]
}, },
"meta": { "meta": {
"hash": "beb6f68f5a8b63fd90a671758556aa72b5c061b681df049779cdf5631837966c" "hash": "2a9b9f2743606d247f1074840edcabadb880c2c79f4e6deb3f2982bca2fe3307"
} }
}, },
{ {
@ -1875,13 +1863,12 @@
"text": "Creates a hash for a value using the [SHA-256](https://en.wikipedia.org/wiki/SHA-2) algorithm. Returns a promise.\n\nUse `crypto` API to create a hash for the given value, `setTimeout` to prevent blocking on a long operation, and a `Promise` to give it a familiar interface.\n\n", "text": "Creates a hash for a value using the [SHA-256](https://en.wikipedia.org/wiki/SHA-2) algorithm. Returns a promise.\n\nUse `crypto` API to create a hash for the given value, `setTimeout` to prevent blocking on a long operation, and a `Promise` to give it a familiar interface.\n\n",
"tags": [ "tags": [
"node", "node",
"utility",
"promise", "promise",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "e7b6164cfaacf4869f997747df3e135a1ec4342abf5a56498586513332272a96" "hash": "66caf1183c70728fa7e9dd6256fc46cc49b3699decbaea8ec1269a2eec07992f"
} }
}, },
{ {
@ -1936,14 +1923,13 @@
"attributes": { "attributes": {
"text": "Converts a color code to a `rgb()` or `rgba()` string if alpha value is provided.\n\nUse bitwise right-shift operator and mask bits with `&` (and) operator to convert a hexadecimal color code (with or without prefixed with `#`) to a string with the RGB values. If it's 3-digit color code, first convert to 6-digit version. If an alpha value is provided alongside 6-digit hex, give `rgba()` string in return.\n\n", "text": "Converts a color code to a `rgb()` or `rgba()` string if alpha value is provided.\n\nUse bitwise right-shift operator and mask bits with `&` (and) operator to convert a hexadecimal color code (with or without prefixed with `#`) to a string with the RGB values. If it's 3-digit color code, first convert to 6-digit version. If an alpha value is provided alongside 6-digit hex, give `rgba()` string in return.\n\n",
"tags": [ "tags": [
"utility",
"string", "string",
"math", "math",
"advanced" "advanced"
] ]
}, },
"meta": { "meta": {
"hash": "f61b08541372ded95a947cc570f57f7bbc9c7908ede569d59f294c5b9ef6feb1" "hash": "b373e046d50f40ac11b6a538668cdcba6342afe7f92701a36ffe156a6e572edd"
} }
}, },
{ {
@ -1969,9 +1955,8 @@
"attributes": { "attributes": {
"text": "Makes a `DELETE` request to the passed URL.\n\nUse `XMLHttpRequest` web api to make a `delete` request to the given `url`.\nHandle the `onload` event, by running the provided `callback` function.\nHandle the `onerror` event, by running the provided `err` function.\nOmit the third argument, `err` to log the request to the console's error stream by default.\n\n", "text": "Makes a `DELETE` request to the passed URL.\n\nUse `XMLHttpRequest` web api to make a `delete` request to the given `url`.\nHandle the `onload` event, by running the provided `callback` function.\nHandle the `onerror` event, by running the provided `err` function.\nOmit the third argument, `err` to log the request to the console's error stream by default.\n\n",
"tags": [ "tags": [
"utility",
"url",
"browser", "browser",
"url",
"intermediate" "intermediate"
] ]
}, },
@ -1986,14 +1971,13 @@
"attributes": { "attributes": {
"text": "Makes a `GET` request to the passed URL.\n\nUse [`XMLHttpRequest`](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest) web api to make a `get` request to the given `url`.\nHandle the `onload` event, by calling the given `callback` the `responseText`.\nHandle the `onerror` event, by running the provided `err` function.\nOmit the third argument, `err`, to log errors to the console's `error` stream by default.\n\n", "text": "Makes a `GET` request to the passed URL.\n\nUse [`XMLHttpRequest`](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest) web api to make a `get` request to the given `url`.\nHandle the `onload` event, by calling the given `callback` the `responseText`.\nHandle the `onerror` event, by running the provided `err` function.\nOmit the third argument, `err`, to log errors to the console's `error` stream by default.\n\n",
"tags": [ "tags": [
"utility",
"url",
"browser", "browser",
"url",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "c138c0e5f16d48997691a98de7c0bc43b228a0b4285f0ab2b26d230e209d1530" "hash": "4c412ce4ed5d0573b7a87c273e07aa200c0151a564d41f828e6601202ea06416"
} }
}, },
{ {
@ -2003,14 +1987,13 @@
"attributes": { "attributes": {
"text": "Makes a `POST` request to the passed URL.\n\nUse [`XMLHttpRequest`](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest) web api to make a `post` request to the given `url`.\nSet the value of an `HTTP` request header with `setRequestHeader` method.\nHandle the `onload` event, by calling the given `callback` the `responseText`.\nHandle the `onerror` event, by running the provided `err` function.\nOmit the third argument, `data`, to send no data to the provided `url`.\nOmit the fourth argument, `err`, to log errors to the console's `error` stream by default.\n\n", "text": "Makes a `POST` request to the passed URL.\n\nUse [`XMLHttpRequest`](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest) web api to make a `post` request to the given `url`.\nSet the value of an `HTTP` request header with `setRequestHeader` method.\nHandle the `onload` event, by calling the given `callback` the `responseText`.\nHandle the `onerror` event, by running the provided `err` function.\nOmit the third argument, `data`, to send no data to the provided `url`.\nOmit the fourth argument, `err`, to log errors to the console's `error` stream by default.\n\n",
"tags": [ "tags": [
"utility",
"url",
"browser", "browser",
"url",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "5b29941074f19769531b3320ec8d61e2b2bdc69735fb781bf7e880ff2080ec04" "hash": "d842ebdfd968b1dfdd8a8aaa0d27e69608c4c02078b180c8439da72bfa558ec1"
} }
}, },
{ {
@ -2020,9 +2003,8 @@
"attributes": { "attributes": {
"text": "Makes a `PUT` request to the passed URL.\n\nUse `XMLHttpRequest` web api to make a `put` request to the given `url`.\nSet the value of an `HTTP` request header with `setRequestHeader` method.\nHandle the `onload` event, by running the provided `callback` function.\nHandle the `onerror` event, by running the provided `err` function.\nOmit the last argument, `err` to log the request to the console's error stream by default.\n\n", "text": "Makes a `PUT` request to the passed URL.\n\nUse `XMLHttpRequest` web api to make a `put` request to the given `url`.\nSet the value of an `HTTP` request header with `setRequestHeader` method.\nHandle the `onload` event, by running the provided `callback` function.\nHandle the `onerror` event, by running the provided `err` function.\nOmit the last argument, `err` to log the request to the console's error stream by default.\n\n",
"tags": [ "tags": [
"utility",
"url",
"browser", "browser",
"url",
"intermediate" "intermediate"
] ]
}, },
@ -2099,12 +2081,11 @@
"text": "Indents each line in the provided string.\n\nUse `String.replace` and a regular expression to add the character specified by `indent` `count` times at the start of each line.\nOmit the third parameter, `indent`, to use a default indentation character of `' '`.\n\n", "text": "Indents each line in the provided string.\n\nUse `String.replace` and a regular expression to add the character specified by `indent` `count` times at the start of each line.\nOmit the third parameter, `indent`, to use a default indentation character of `' '`.\n\n",
"tags": [ "tags": [
"string", "string",
"utility",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "544ebe19f71cab5f4b4ad5a6121d4327ebf2b09f04451151e7339c90c8924789" "hash": "e744d3d9c040feecdd17afc470078ea47047250ed521e138936d1434eba7898a"
} }
}, },
{ {
@ -2350,14 +2331,13 @@
"text": "Returns `true` if the given string is an absolute URL, `false` otherwise.\n\nUse a regular expression to test if the string is an absolute URL.\n\n", "text": "Returns `true` if the given string is an absolute URL, `false` otherwise.\n\nUse a regular expression to test if the string is an absolute URL.\n\n",
"tags": [ "tags": [
"string", "string",
"utility",
"browser", "browser",
"url", "url",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "7523c5d3ab85075efa61efc135bb1c8d85e2a2e5407ddc5768099993d46f13b5" "hash": "71c32c111d21f3ed9c1af2c7216b6f81e8ab652b353ab3f938418738c2a00ac7"
} }
}, },
{ {
@ -2368,12 +2348,11 @@
"text": "Check if a date is after another date.\n\nUse the greater than operator (`>`) to check if the first date comes after the second one.\n\n", "text": "Check if a date is after another date.\n\nUse the greater than operator (`>`) to check if the first date comes after the second one.\n\n",
"tags": [ "tags": [
"date", "date",
"utility",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "19efe22718bca00459c41fa9df56c3574270c500bdd670873358052ccc870f5b" "hash": "6e1abb3cac28b9ccf95e55db3daec18aeff50735be56cce96ffb326ff99f7669"
} }
}, },
{ {
@ -2416,12 +2395,11 @@
"text": "Check if a date is before another date.\n\nUse the less than operator (`<`) to check if the first date comes before the second one.\n\n", "text": "Check if a date is before another date.\n\nUse the less than operator (`<`) to check if the first date comes before the second one.\n\n",
"tags": [ "tags": [
"date", "date",
"utility",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "e0d70480b239a585f907c965214a037ce23ae15f5484ab80930ea9f57cbe529e" "hash": "3c6950661df4657fc49636fc97050e5a46a9337caaae3f5dd584d3aaf436b451"
} }
}, },
{ {
@ -2446,13 +2424,12 @@
"attributes": { "attributes": {
"text": "Determines if the current runtime environment is a browser so that front-end modules can run on the server (Node) without throwing errors.\n\nUse `Array.prototype.includes()` on the `typeof` values of both `window` and `document` (globals usually only available in a browser environment unless they were explicitly defined), which will return `true` if one of them is `undefined`.\n`typeof` allows globals to be checked for existence without throwing a `ReferenceError`.\nIf both of them are not `undefined`, then the current environment is assumed to be a browser.\n\n", "text": "Determines if the current runtime environment is a browser so that front-end modules can run on the server (Node) without throwing errors.\n\nUse `Array.prototype.includes()` on the `typeof` values of both `window` and `document` (globals usually only available in a browser environment unless they were explicitly defined), which will return `true` if one of them is `undefined`.\n`typeof` allows globals to be checked for existence without throwing a `ReferenceError`.\nIf both of them are not `undefined`, then the current environment is assumed to be a browser.\n\n",
"tags": [ "tags": [
"utility",
"browser", "browser",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "6fb24837c043a0cc320a46695ef0e286a558aaf06e9354407569ae61c4a8d0bd" "hash": "8aa110b4d9adf4e44eb0b770309dacb3b372268143223e862749519e6a896f1c"
} }
}, },
{ {
@ -2588,12 +2565,11 @@
"text": "Checks if a string is lower case.\n\nConvert the given string to lower case, using `String.toLowerCase()` and compare it to the original.\n\n", "text": "Checks if a string is lower case.\n\nConvert the given string to lower case, using `String.toLowerCase()` and compare it to the original.\n\n",
"tags": [ "tags": [
"string", "string",
"utility",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "e47bc176d868f3aab83f762997bf9d355258607594648573d2482faf7fc08826" "hash": "a665c8ada73822926f03aa49bf65551ce20459dc4466ce5d5306690d53e04285"
} }
}, },
{ {
@ -2604,12 +2580,11 @@
"text": "Checks if the given value is equal to negative zero (`-0`).\n\nChecks whether a passed value is equal to `0` and if `1` divided by the value equals `-Infinity`.\n\n", "text": "Checks if the given value is equal to negative zero (`-0`).\n\nChecks whether a passed value is equal to `0` and if `1` divided by the value equals `-Infinity`.\n\n",
"tags": [ "tags": [
"math", "math",
"utility",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "ec55fd2848f1443613e33d59634ecaefc9dc82b721424b5416830a7389e1ce6e" "hash": "c8af31822c3b74d0e3e3099ff770aa467825ecd8edc3e6fb07f84a5af9d615af"
} }
}, },
{ {
@ -2811,12 +2786,11 @@
"text": "Check if a date is the same as another date.\n\nUse `Date.prototype.toISOString()` and strict equality checking (`===`) to check if the first date is the same as the second one.\n\n", "text": "Check if a date is the same as another date.\n\nUse `Date.prototype.toISOString()` and strict equality checking (`===`) to check if the first date is the same as the second one.\n\n",
"tags": [ "tags": [
"date", "date",
"utility",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "4accb95c8fb5ac770c73c78b6236938773499c74617df09a1f73a60abd6f44d7" "hash": "f2cef555daea23fb46e93ad5bd556840c55f343924578b26329983c0407d88d5"
} }
}, },
{ {
@ -2919,7 +2893,6 @@
"text": "Checks if a string is upper case.\n\nConvert the given string to upper case, using `String.prototype.toUpperCase()` and compare it to the original.\n\n", "text": "Checks if a string is upper case.\n\nConvert the given string to upper case, using `String.prototype.toUpperCase()` and compare it to the original.\n\n",
"tags": [ "tags": [
"string", "string",
"utility",
"beginner" "beginner"
] ]
}, },
@ -3001,7 +2974,7 @@
] ]
}, },
"meta": { "meta": {
"hash": "3db3faac666ee61ab86c70766d2ab5d1293ffd818da87edb971bfff7a366364a" "hash": "362fddaa6244404741e84bca6fc442a101fdb642af53b299e8b9994d0d7162d8"
} }
}, },
{ {
@ -3077,12 +3050,11 @@
"tags": [ "tags": [
"array", "array",
"string", "string",
"utility",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "1277ce52444adcbc3a7b62d5c9019aa3cf01293e7749b8d0e1871ae2aa6a8c88" "hash": "bc43866db3708c27d333faa8a71f9075af24899a7785496ca28206061d4910d1"
} }
}, },
{ {
@ -3108,12 +3080,11 @@
"text": "Implementation of the [Luhn Algorithm](https://en.wikipedia.org/wiki/Luhn_algorithm) used to validate a variety of identification numbers, such as credit card numbers, IMEI numbers, National Provider Identifier numbers etc.\n\nUse `String.prototype.split('')`, `Array.prototype.reverse()` and `Array.prototype.map()` in combination with `parseInt()` to obtain an array of digits.\nUse `Array.prototype.splice(0,1)` to obtain the last digit.\nUse `Array.prototype.reduce()` to implement the Luhn Algorithm.\nReturn `true` if `sum` is divisible by `10`, `false` otherwise.\n\n", "text": "Implementation of the [Luhn Algorithm](https://en.wikipedia.org/wiki/Luhn_algorithm) used to validate a variety of identification numbers, such as credit card numbers, IMEI numbers, National Provider Identifier numbers etc.\n\nUse `String.prototype.split('')`, `Array.prototype.reverse()` and `Array.prototype.map()` in combination with `parseInt()` to obtain an array of digits.\nUse `Array.prototype.splice(0,1)` to obtain the last digit.\nUse `Array.prototype.reduce()` to implement the Luhn Algorithm.\nReturn `true` if `sum` is divisible by `10`, `false` otherwise.\n\n",
"tags": [ "tags": [
"math", "math",
"utility",
"advanced" "advanced"
] ]
}, },
"meta": { "meta": {
"hash": "ab83bac8546d02dfe4227792750f0b4c64cd2c8f8ce6063eef2a3f4357210d63" "hash": "d7c1a6ff15bf0d8f33dddfcebe892089a7902a94fc18803fafd5fe76ebdd3ffc"
} }
}, },
{ {
@ -3173,12 +3144,11 @@
"string", "string",
"array", "array",
"function", "function",
"utility",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "c4df98d941aeadd165c6a02143d79f7a9bf013f8c221f709aa545bf83495a956" "hash": "ef9621c9cc38b1f4ab76ed4246de33ef9125bfa44f4ecc8113e7890d99b61a01"
} }
}, },
{ {
@ -3205,7 +3175,6 @@
"text": "Replaces all but the last `num` of characters with the specified mask character.\n\nUse `String.prototype.slice()` to grab the portion of the characters that will remain unmasked and use `String.padStart()` to fill the beginning of the string with the mask character up to the original length.\nOmit the second argument, `num`, to keep a default of `4` characters unmasked. If `num` is negative, the unmasked characters will be at the start of the string.\nOmit the third argument, `mask`, to use a default character of `'*'` for the mask.\n\n", "text": "Replaces all but the last `num` of characters with the specified mask character.\n\nUse `String.prototype.slice()` to grab the portion of the characters that will remain unmasked and use `String.padStart()` to fill the beginning of the string with the mask character up to the original length.\nOmit the second argument, `num`, to keep a default of `4` characters unmasked. If `num` is negative, the unmasked characters will be at the start of the string.\nOmit the third argument, `mask`, to use a default character of `'*'` for the mask.\n\n",
"tags": [ "tags": [
"string", "string",
"utility",
"intermediate" "intermediate"
] ]
}, },
@ -3429,12 +3398,12 @@
"attributes": { "attributes": {
"text": "Returns the index of the function in an array of functions which executed the fastest.\n\nUse `Array.prototype.map()` to generate an array where each value is the total time taken to execute the function after `iterations` times. Use the difference in `performance.now()` values before and after to get the total time in milliseconds to a high degree of accuracy.\nUse `Math.min()` to find the minimum execution time, and return the index of that shortest time which corresponds to the index of the most performant function.\nOmit the second argument, `iterations`, to use a default of 10,000 iterations. The more iterations, the more reliable the result but the longer it will take.\n\n", "text": "Returns the index of the function in an array of functions which executed the fastest.\n\nUse `Array.prototype.map()` to generate an array where each value is the total time taken to execute the function after `iterations` times. Use the difference in `performance.now()` values before and after to get the total time in milliseconds to a high degree of accuracy.\nUse `Math.min()` to find the minimum execution time, and return the index of that shortest time which corresponds to the index of the most performant function.\nOmit the second argument, `iterations`, to use a default of 10,000 iterations. The more iterations, the more reliable the result but the longer it will take.\n\n",
"tags": [ "tags": [
"utility", "function",
"function" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "120e31fa38796906a99beccdc457e83a8075e6ec72b5a937e03913b2e996ae26" "hash": "2334d95a86e23b04825a6b9f696d9866749f4d69e6c6003651cc69dccc71e98d"
} }
}, },
{ {
@ -3506,13 +3475,12 @@
"attributes": { "attributes": {
"text": "Creates a function that gets the argument at index `n`. If `n` is negative, the nth argument from the end is returned.\n\nUse `Array.prototype.slice()` to get the desired argument at index `n`.\n\n", "text": "Creates a function that gets the argument at index `n`. If `n` is negative, the nth argument from the end is returned.\n\nUse `Array.prototype.slice()` to get the desired argument at index `n`.\n\n",
"tags": [ "tags": [
"utility",
"function", "function",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "1885078f5fddc5de00844a837ab3c427f770c5325a70d5362ecab26c1c904125" "hash": "837bf47e8e264266d22fc1d8186b6b5561a94500a1b725ce897ffbd6e0df1b98"
} }
}, },
{ {
@ -3585,14 +3553,13 @@
"attributes": { "attributes": {
"text": "Returns a query string generated from the key-value pairs of the given object.\n\nUse `Array.prototype.reduce()` on `Object.entries(queryParameters)` to create the query string.\nDetermine the `symbol` to be either `?` or `&` based on the `length` of `queryString` and concatenate `val` to `queryString` only if it's a string.\nReturn the `queryString` or an empty string when the `queryParameters` are falsy.\n\n", "text": "Returns a query string generated from the key-value pairs of the given object.\n\nUse `Array.prototype.reduce()` on `Object.entries(queryParameters)` to create the query string.\nDetermine the `symbol` to be either `?` or `&` based on the `length` of `queryString` and concatenate `val` to `queryString` only if it's a string.\nReturn the `queryString` or an empty string when the `queryParameters` are falsy.\n\n",
"tags": [ "tags": [
"utility",
"object", "object",
"function", "function",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "e8f820ce6da97eabde082ffb829c9fb700e85efc79bdebe883c67237269e3f52" "hash": "b031c3387ef66411ab5d295788eac4247ada5b4b068dda90603d3c973890bc26"
} }
}, },
{ {
@ -3805,13 +3772,13 @@
"attributes": { "attributes": {
"text": "Parse an HTTP Cookie header string and return an object of all cookie name-value pairs.\n\nUse `String.prototype.split(';')` to separate key-value pairs from each other.\nUse `Array.prototype.map()` and `String.prototype.split('=')` to separate keys from values in each pair.\nUse `Array.prototype.reduce()` and `decodeURIComponent()` to create an object with all key-value pairs.\n\n", "text": "Parse an HTTP Cookie header string and return an object of all cookie name-value pairs.\n\nUse `String.prototype.split(';')` to separate key-value pairs from each other.\nUse `Array.prototype.map()` and `String.prototype.split('=')` to separate keys from values in each pair.\nUse `Array.prototype.reduce()` and `decodeURIComponent()` to create an object with all key-value pairs.\n\n",
"tags": [ "tags": [
"utility", "browser",
"string", "string",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "c25aef075df93042a81bd98ebd7b77aefb91df3f08b9f1d2e7859ec0d95ad55b" "hash": "5bcee736e351fb23173369a678122d12b4278a02ab3204cfee2b3b0d3c598544"
} }
}, },
{ {
@ -3938,7 +3905,7 @@
] ]
}, },
"meta": { "meta": {
"hash": "a2b9ac4f1209c3791caa6f40f0d041acd75514e9ee8909f2e3833635f357c0bd" "hash": "0eb844801e767edcaa6a882a6dce4b5b1dadecb53a92d6ec259d36c57b6a3dd0"
} }
}, },
{ {
@ -3994,12 +3961,11 @@
"text": "Returns the prefixed version (if necessary) of a CSS property that the browser supports.\n\nUse `Array.prototype.findIndex()` on an array of vendor prefix strings to test if `document.body` has one of them defined in its `CSSStyleDeclaration` object, otherwise return `null`.\nUse `String.prototype.charAt()` and `String.prototype.toUpperCase()` to capitalize the property, which will be appended to the vendor prefix string.\n\n", "text": "Returns the prefixed version (if necessary) of a CSS property that the browser supports.\n\nUse `Array.prototype.findIndex()` on an array of vendor prefix strings to test if `document.body` has one of them defined in its `CSSStyleDeclaration` object, otherwise return `null`.\nUse `String.prototype.charAt()` and `String.prototype.toUpperCase()` to capitalize the property, which will be appended to the vendor prefix string.\n\n",
"tags": [ "tags": [
"browser", "browser",
"utility",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "6668f37f9f1158b2bdd292ad64defea6e33a0b2908ea1e494b191dcaa9f039d6" "hash": "942f8061fb78b9a96dc0da7e249bb8d5c1b2902f9101d6dbdae272c95a49ab92"
} }
}, },
{ {
@ -4009,14 +3975,13 @@
"attributes": { "attributes": {
"text": "Converts a number in bytes to a human-readable string.\n\nUse an array dictionary of units to be accessed based on the exponent.\nUse `Number.toPrecision()` to truncate the number to a certain number of digits.\nReturn the prettified string by building it up, taking into account the supplied options and whether it is negative or not.\nOmit the second argument, `precision`, to use a default precision of `3` digits.\nOmit the third argument, `addSpace`, to add space between the number and unit by default.\n\n", "text": "Converts a number in bytes to a human-readable string.\n\nUse an array dictionary of units to be accessed based on the exponent.\nUse `Number.toPrecision()` to truncate the number to a certain number of digits.\nReturn the prettified string by building it up, taking into account the supplied options and whether it is negative or not.\nOmit the second argument, `precision`, to use a default precision of `3` digits.\nOmit the third argument, `addSpace`, to add space between the number and unit by default.\n\n",
"tags": [ "tags": [
"utility",
"string", "string",
"math", "math",
"advanced" "advanced"
] ]
}, },
"meta": { "meta": {
"hash": "e752de4a4f2b339851e796a5289e7adde51cf7e672b8230fd97bf79cf7330758" "hash": "7053095cc3085b11fde252bfec58b3888290d30936fe7cd7b570cd075d29225a"
} }
}, },
{ {
@ -4132,15 +4097,15 @@
"type": "snippetListing", "type": "snippetListing",
"title": "randomHexColorCode", "title": "randomHexColorCode",
"attributes": { "attributes": {
"text": "Generates a random hexadecimal color code.\n\nUse `Math.random` to generate a random 24-bit(6x4bits) hexadecimal number. Use bit shifting and then convert it to an hexadecimal String using `toString(16)`.\n\n", "text": "Generates a random hexadecimal color code.\n\nUse `Math.random` to generate a random 24-bit(6x4bits) hexadecimal number.\nUse bit shifting and then convert it to an hexadecimal String using `toString(16)`.\n\n",
"tags": [ "tags": [
"utility", "math",
"random", "random",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "42788f8392f5511db3641dbe2ab92b2c043b3b5209e95c386c73e5d96eaa63af" "hash": "4af37a3a8c080de92657476319fc3a6d4ff7febfe34f8391b81d97336bb147d6"
} }
}, },
{ {
@ -4151,13 +4116,12 @@
"text": "Returns an array of n random integers in the specified range.\n\nUse `Array.from()` to create an empty array of the specific length, `Math.random()` to generate a random number and map it to the desired range, using `Math.floor()` to make it an integer.\n\n", "text": "Returns an array of n random integers in the specified range.\n\nUse `Array.from()` to create an empty array of the specific length, `Math.random()` to generate a random number and map it to the desired range, using `Math.floor()` to make it an integer.\n\n",
"tags": [ "tags": [
"math", "math",
"utility",
"random", "random",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "7bff02cd849d994da1229f3153cca71b4c054d6774ab732101a5f60a0a04ba3a" "hash": "6887efc77e1a29d40b7194fe16a2005b8f33f15bb92ee3f0329b55be27f21225"
} }
}, },
{ {
@ -4168,13 +4132,12 @@
"text": "Returns a random integer in the specified range.\n\nUse `Math.random()` to generate a random number and map it to the desired range, using `Math.floor()` to make it an integer.\n\n", "text": "Returns a random integer in the specified range.\n\nUse `Math.random()` to generate a random number and map it to the desired range, using `Math.floor()` to make it an integer.\n\n",
"tags": [ "tags": [
"math", "math",
"utility",
"random", "random",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "8d8cca3d593e677c8a4ffc17e9f97b3018f800e7c014daa3462edc152fbbeec7" "hash": "939080b53f5ebf57e2fcb7b88cc827902a3d01c428eed9e989dd2545c3717b6f"
} }
}, },
{ {
@ -4185,13 +4148,12 @@
"text": "Returns a random number in the specified range.\n\nUse `Math.random()` to generate a random value, map it to the desired range using multiplication.\n\n", "text": "Returns a random number in the specified range.\n\nUse `Math.random()` to generate a random value, map it to the desired range using multiplication.\n\n",
"tags": [ "tags": [
"math", "math",
"utility",
"random", "random",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "c86e3227e32565afb301805798da3a46756e13bff0115b880fcc3175a58d95af" "hash": "209c6f231e06e1840d46fd6f836961f9dfc8c954e6675a230863eb0824a35c7c"
} }
}, },
{ {
@ -4231,15 +4193,14 @@
"type": "snippetListing", "type": "snippetListing",
"title": "recordAnimationFrames", "title": "recordAnimationFrames",
"attributes": { "attributes": {
"text": "Invokes the provided callback on each animation frame.\n\nUse recursion. \nProvided that `running` is `true`, continue invoking `window.requestAnimationFrame()` which invokes the provided callback. \nReturn an object with two methods `start` and `stop` to allow manual control of the recording. \nOmit the second argument, `autoStart`, to implicitly call `start` when the function is invoked.\n\n", "text": "Invokes the provided callback on each animation frame.\n\nUse recursion.\nProvided that `running` is `true`, continue invoking `window.requestAnimationFrame()` which invokes the provided callback.\nReturn an object with two methods `start` and `stop` to allow manual control of the recording.\nOmit the second argument, `autoStart`, to implicitly call `start` when the function is invoked.\n\n",
"tags": [ "tags": [
"browser", "browser",
"utility",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "b780a5af9c22faa9601191aff53c24d55f5e88b62ac79fd2e02517f9a724b502" "hash": "f734a70077b4723415eae15573378f1596b6b8810831d8784e730771fdba0bfa"
} }
}, },
{ {
@ -4332,7 +4293,7 @@
] ]
}, },
"meta": { "meta": {
"hash": "ffb9c0d1d09aeb989789286efb91cc237b89ce13f44ad9510a014f9ab150df71" "hash": "be8ec39c092128ba679a3f0421b6abc34ad891dec85354caa419dc4104687a05"
} }
}, },
{ {
@ -4389,12 +4350,13 @@
"attributes": { "attributes": {
"text": "Converts the values of RGB components to a color code.\n\nConvert given RGB parameters to hexadecimal string using bitwise left-shift operator (`<<`) and `toString(16)`, then `String.padStart(6,'0')` to get a 6-digit hexadecimal value.\n\n", "text": "Converts the values of RGB components to a color code.\n\nConvert given RGB parameters to hexadecimal string using bitwise left-shift operator (`<<`) and `toString(16)`, then `String.padStart(6,'0')` to get a 6-digit hexadecimal value.\n\n",
"tags": [ "tags": [
"utility", "string",
"math",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "592446fabae44d631396de3441738710626c4d274eaabe3dfdb9b822ce3a5179" "hash": "85235b8cc5276d21a4f2659a8e04c65dd1b3cab52d1ff700750253dc11b5b5be"
} }
}, },
{ {
@ -4501,12 +4463,11 @@
"text": "Hashes the input string into a whole number.\n\nUse `String.prototype.split('')` and `Array.prototype.reduce()` to create a hash of the input string, utilizing bit shifting.\n\n", "text": "Hashes the input string into a whole number.\n\nUse `String.prototype.split('')` and `Array.prototype.reduce()` to create a hash of the input string, utilizing bit shifting.\n\n",
"tags": [ "tags": [
"math", "math",
"utility",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "58d91b4760b4af29df95cf1b073166c02660f9af3d46c950fba64b922c999ba1" "hash": "957622c5cf0b59acacea276978fcf66cef1bdc6f5cc16dde77eda3bc8c3686c8"
} }
}, },
{ {
@ -4516,13 +4477,13 @@
"attributes": { "attributes": {
"text": "Serialize a cookie name-value pair into a Set-Cookie header string.\n\nUse template literals and `encodeURIComponent()` to create the appropriate string.\n\n", "text": "Serialize a cookie name-value pair into a Set-Cookie header string.\n\nUse template literals and `encodeURIComponent()` to create the appropriate string.\n\n",
"tags": [ "tags": [
"utility", "browser",
"string", "string",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "defdaa306864196a4f561c37c4c7f74ffc159406c4538a0f7e1f3f153840eebe" "hash": "740ef7d2635d22c19eca6fdce566d679ddfeb5f2a3c382665efe205c2cb1001b"
} }
}, },
{ {
@ -4648,7 +4609,7 @@
] ]
}, },
"meta": { "meta": {
"hash": "6dd4c6a51d2c80fa4768c95ae01c16a8359c4140bcad28c7fde0cecd72d7d3e2" "hash": "24b93b68a59b49f245590930fed6fb82e286ce09f90e292466cde63c1784c347"
} }
}, },
{ {
@ -4851,13 +4812,12 @@
"text": "Removes HTML/XML tags from string.\n\nUse a regular expression to remove HTML/XML tags from a string.\n\n", "text": "Removes HTML/XML tags from string.\n\nUse a regular expression to remove HTML/XML tags from a string.\n\n",
"tags": [ "tags": [
"string", "string",
"utility",
"regexp", "regexp",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "a33dbe87821f5017cf4238c69d9effcfe993698f055fec5e915f4fff68c01e34" "hash": "5d500a11b098ee757fd6803e199a191c529e4070d47e0d576a6f290d0b6c3d14"
} }
}, },
{ {
@ -5070,12 +5030,12 @@
"attributes": { "attributes": {
"text": "Measures the time taken by a function to execute.\n\nUse `console.time()` and `console.timeEnd()` to measure the difference between the start and end times to determine how long the callback took to execute.\n\n", "text": "Measures the time taken by a function to execute.\n\nUse `console.time()` and `console.timeEnd()` to measure the difference between the start and end times to determine how long the callback took to execute.\n\n",
"tags": [ "tags": [
"utility", "function",
"beginner" "beginner"
] ]
}, },
"meta": { "meta": {
"hash": "26246364ba1e8e3f52a51c8e1f329af721b05a5d307ed88bf31ccd2620c0deee" "hash": "8017947366418af3f9991be27f5f622bee0b1cb97f54b46395455800fa015139"
} }
}, },
{ {
@ -5101,12 +5061,13 @@
"attributes": { "attributes": {
"text": "Take a number and return specified currency formatting.\n\nUse `Intl.NumberFormat` to enable country / currency sensitive formatting.\n\n", "text": "Take a number and return specified currency formatting.\n\nUse `Intl.NumberFormat` to enable country / currency sensitive formatting.\n\n",
"tags": [ "tags": [
"utility", "math",
"string",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "2f817f7dc3ca24a50bfaa1a59dec3ec6d8ee3392ac2d7f3ecae3a93a9c96f09c" "hash": "41156e65825b59559469feca57214c9f802cb42fba5a16f5fb5990033a2f7059"
} }
}, },
{ {
@ -5116,7 +5077,6 @@
"attributes": { "attributes": {
"text": "Converts a number to a decimal mark formatted string.\n\nUse `Number.prototype.toLocaleString()` to convert the numbre to decimal mark format.\n\n", "text": "Converts a number to a decimal mark formatted string.\n\nUse `Number.prototype.toLocaleString()` to convert the numbre to decimal mark format.\n\n",
"tags": [ "tags": [
"utility",
"math", "math",
"beginner" "beginner"
] ]
@ -5193,13 +5153,12 @@
"attributes": { "attributes": {
"text": "Adds an ordinal suffix to a number.\n\nUse the modulo operator (`%`) to find values of single and tens digits.\nFind which ordinal pattern digits match.\nIf digit is found in teens pattern, use teens ordinal.\n\n", "text": "Adds an ordinal suffix to a number.\n\nUse the modulo operator (`%`) to find values of single and tens digits.\nFind which ordinal pattern digits match.\nIf digit is found in teens pattern, use teens ordinal.\n\n",
"tags": [ "tags": [
"utility",
"math", "math",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "0ebd3351685fd96bf678c2baa38fabc9aa18bd6a3fa6674ea0bae9663424ea5f" "hash": "b9a61d3a7c80d3140aa3cbfea42f8af1ed15cc47bc8d224685c0d9127e74813c"
} }
}, },
{ {
@ -5572,13 +5531,12 @@
"text": "Joins all given URL segments together, then normalizes the resulting URL.\n\nUse `String.prototype.join('/')` to combine URL segments, then a series of `String.prototype.replace()` calls with various regexps to normalize the resulting URL (remove double slashes, add proper slashes for protocol, remove slashes before parameters, combine parameters with `'&'` and normalize first parameter delimiter).\n\n", "text": "Joins all given URL segments together, then normalizes the resulting URL.\n\nUse `String.prototype.join('/')` to combine URL segments, then a series of `String.prototype.replace()` calls with various regexps to normalize the resulting URL (remove double slashes, add proper slashes for protocol, remove slashes before parameters, combine parameters with `'&'` and normalize first parameter delimiter).\n\n",
"tags": [ "tags": [
"string", "string",
"utility",
"regexp", "regexp",
"advanced" "advanced"
] ]
}, },
"meta": { "meta": {
"hash": "6050cfa3a2a39089151bacfce1f5cedaec12f5da253dbc20a56dfaf50cb8924b" "hash": "1de784a29009c7bf3e08cc95110316c4362125f603e862c29c07be50f54186d9"
} }
}, },
{ {
@ -5589,13 +5547,12 @@
"text": "Generates a UUID in a browser.\n\nUse `crypto` API to generate a UUID, compliant with [RFC4122](https://www.ietf.org/rfc/rfc4122.txt) version 4.\n\n", "text": "Generates a UUID in a browser.\n\nUse `crypto` API to generate a UUID, compliant with [RFC4122](https://www.ietf.org/rfc/rfc4122.txt) version 4.\n\n",
"tags": [ "tags": [
"browser", "browser",
"utility",
"random", "random",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "9f84a12da85558ebdb189097dbc581b338e07d52eedc5975f1001133b123aad2" "hash": "24c28431e9eb84a8a0f8e38370c3635ea9b68482c7a894895fd8ef09c1eb02aa"
} }
}, },
{ {
@ -5606,13 +5563,12 @@
"text": "Generates a UUID in Node.JS.\n\nUse `crypto` API to generate a UUID, compliant with [RFC4122](https://www.ietf.org/rfc/rfc4122.txt) version 4.\n\n", "text": "Generates a UUID in Node.JS.\n\nUse `crypto` API to generate a UUID, compliant with [RFC4122](https://www.ietf.org/rfc/rfc4122.txt) version 4.\n\n",
"tags": [ "tags": [
"node", "node",
"utility",
"random", "random",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "79604b0f854a91af789fea8416c7099acfb3633259ef387f52a21337d2242478" "hash": "2322d2d42be4e3037ec6d4e707358bd114f1378cd64dee48e9a0cb8c918efa3f"
} }
}, },
{ {
@ -5622,13 +5578,12 @@
"attributes": { "attributes": {
"text": "Returns `true` if the given value is a number, `false` otherwise.\n\nUse `!isNaN()` in combination with `parseFloat()` to check if the argument is a number.\nUse `isFinite()` to check if the number is finite.\nUse `Number()` to check if the coercion holds.\n\n", "text": "Returns `true` if the given value is a number, `false` otherwise.\n\nUse `!isNaN()` in combination with `parseFloat()` to check if the argument is a number.\nUse `isFinite()` to check if the number is finite.\nUse `Number()` to check if the coercion holds.\n\n",
"tags": [ "tags": [
"utility",
"math", "math",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "73fc55564fa0b59a71553aa442bda666cbcddbcd618f9ca53c2b55e42a7c26ca" "hash": "dffaec8a8f2b3c66e709b2e9ee0a57082be53305f000db3d75983ae103866607"
} }
}, },
{ {
@ -5731,13 +5686,13 @@
"attributes": { "attributes": {
"text": "Returns `true` if the string is `y`/`yes` or `false` if the string is `n`/`no`.\n\nUse `RegExp.test()` to check if the string evaluates to `y/yes` or `n/no`.\nOmit the second argument, `def` to set the default answer as `no`.\n\n", "text": "Returns `true` if the string is `y`/`yes` or `false` if the string is `n`/`no`.\n\nUse `RegExp.test()` to check if the string evaluates to `y/yes` or `n/no`.\nOmit the second argument, `def` to set the default answer as `no`.\n\n",
"tags": [ "tags": [
"utility", "string",
"regexp", "regexp",
"intermediate" "intermediate"
] ]
}, },
"meta": { "meta": {
"hash": "6365f144def8abb711b890f8689ff8c9f1f1aee092525583fa913057ba623472" "hash": "8b858ab37c0cd7f7a09f54810b9f435037922cdbf7c4dd659899790476152479"
} }
}, },
{ {

495
snippet_data/snippets.json
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4
snippets/deepClone.md
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@ -20,8 +20,8 @@ const deepClone = obj => {
return Array.isArray(obj) && obj.length return Array.isArray(obj) && obj.length
? (clone.length = obj.length) && Array.from(clone) ? (clone.length = obj.length) && Array.from(clone)
: Array.isArray(obj) : Array.isArray(obj)
? Array.from(obj) ? Array.from(obj)
: clone; : clone;
}; };
``` ```

4
snippets/deepMapKeys.md
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@ -14,13 +14,13 @@ const deepMapKeys = (obj, f) =>
Array.isArray(obj) Array.isArray(obj)
? obj.map(val => deepMapKeys(val, f)) ? obj.map(val => deepMapKeys(val, f))
: typeof obj === 'object' : typeof obj === 'object'
? Object.keys(obj).reduce((acc, current) => { ? Object.keys(obj).reduce((acc, current) => {
const val = obj[current]; const val = obj[current];
acc[f(current)] = acc[f(current)] =
val !== null && typeof val === 'object' ? deepMapKeys(val, f) : (acc[f(current)] = val); val !== null && typeof val === 'object' ? deepMapKeys(val, f) : (acc[f(current)] = val);
return acc; return acc;
}, {}) }, {})
: obj; : obj;
``` ```
```js ```js

6
snippets/dig.md
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@ -13,9 +13,9 @@ const dig = (obj, target) =>
target in obj target in obj
? obj[target] ? obj[target]
: Object.values(obj).reduce((acc, val) => { : Object.values(obj).reduce((acc, val) => {
if (acc !== undefined) return acc; if (acc !== undefined) return acc;
if (typeof val === 'object') return dig(val, target); if (typeof val === 'object') return dig(val, target);
}, undefined); }, undefined);
``` ```
```js ```js

8
snippets/factorial.md
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@ -14,11 +14,11 @@ Throws an exception if `n` is a negative number.
const factorial = n => const factorial = n =>
n < 0 n < 0
? (() => { ? (() => {
throw new TypeError('Negative numbers are not allowed!'); throw new TypeError('Negative numbers are not allowed!');
})() })()
: n <= 1 : n <= 1
? 1 ? 1
: n * factorial(n - 1); : n * factorial(n - 1);
``` ```
```js ```js

8
snippets/getMeridiemSuffixOfInteger.md
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@ -12,10 +12,10 @@ const getMeridiemSuffixOfInteger = num =>
num === 0 || num === 24 num === 0 || num === 24
? 12 + 'am' ? 12 + 'am'
: num === 12 : num === 12
? 12 + 'pm' ? 12 + 'pm'
: num < 12 : num < 12
? (num % 12) + 'am' ? (num % 12) + 'am'
: (num % 12) + 'pm'; : (num % 12) + 'pm';
``` ```
```js ```js

5
snippets/join.md
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@ -11,14 +11,15 @@ Omit the second argument, `separator`, to use a default separator of `','`.
Omit the third argument, `end`, to use the same value as `separator` by default. Omit the third argument, `end`, to use the same value as `separator` by default.
```js ```js
const join = (arr, separator = ',', end = separator) => const join = (arr, separator = ',', end = separator) =>
arr.reduce( arr.reduce(
(acc, val, i) => (acc, val, i) =>
i === arr.length - 2 i === arr.length - 2
? acc + val + end ? acc + val + end
: i === arr.length - 1 : i === arr.length - 1
? acc + val ? acc + val
: acc + val + separator, : acc + val + separator,
'' ''
); );
``` ```

9
snippets/objectToQueryString.md
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@ -10,13 +10,14 @@ Determine the `symbol` to be either `?` or `&` based on the `length` of `querySt
Return the `queryString` or an empty string when the `queryParameters` are falsy. Return the `queryString` or an empty string when the `queryParameters` are falsy.
```js ```js
const objectToQueryString = queryParameters => { const objectToQueryString = queryParameters => {
return queryParameters return queryParameters
? Object.entries(queryParameters).reduce((queryString, [key, val], index) => { ? Object.entries(queryParameters).reduce((queryString, [key, val], index) => {
const symbol = queryString.length === 0 ? '?' : '&'; const symbol = queryString.length === 0 ? '?' : '&';
queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : ''; queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : '';
return queryString; return queryString;
}, '') }, '')
: ''; : '';
}; };
``` ```

3
snippets/pipeAsyncFunctions.md
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@ -14,13 +14,14 @@ const pipeAsyncFunctions = (...fns) => arg => fns.reduce((p, f) => p.then(f), Pr
``` ```
```js ```js
const sum = pipeAsyncFunctions( const sum = pipeAsyncFunctions(
x => x + 1, x => x + 1,
x => new Promise(resolve => setTimeout(() => resolve(x + 2), 1000)), x => new Promise(resolve => setTimeout(() => resolve(x + 2), 1000)),
x => x + 3, x => x + 3,
async x => (await x) + 4 async x => (await x) + 4
); );
(async () => { (async() => {
console.log(await sum(5)); // 15 (after one second) console.log(await sum(5)); // 15 (after one second)
})(); })();
``` ```

7
snippets/remove.md
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@ -9,12 +9,13 @@ Use `Array.prototype.filter()` to find array elements that return truthy values
The `func` is invoked with three arguments (`value, index, array`). The `func` is invoked with three arguments (`value, index, array`).
```js ```js
const remove = (arr, func) => const remove = (arr, func) =>
Array.isArray(arr) Array.isArray(arr)
? arr.filter(func).reduce((acc, val) => { ? arr.filter(func).reduce((acc, val) => {
arr.splice(arr.indexOf(val), 1); arr.splice(arr.indexOf(val), 1);
return acc.concat(val); return acc.concat(val);
}, []) }, [])
: []; : [];
``` ```

9
snippets/size.md
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@ -12,14 +12,15 @@ Use `size` of a [`Blob` object](https://developer.mozilla.org/en-US/docs/Web/API
Split strings into array of characters with `split('')` and return its length. Split strings into array of characters with `split('')` and return its length.
```js ```js
const size = val => const size = val =>
Array.isArray(val) Array.isArray(val)
? val.length ? val.length
: val && typeof val === 'object' : val && typeof val === 'object'
? val.size || val.length || Object.keys(val).length ? val.size || val.length || Object.keys(val).length
: typeof val === 'string' : typeof val === 'string'
? new Blob([val]).size ? new Blob([val]).size
: 0; : 0;
``` ```
```js ```js