Travis build: 1676
This commit is contained in:
30secondsofcode
@ -1528,6 +1528,21 @@
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"text": "Returns an object with the unique values of an array as keys and their frequencies as the values.\n\nUse `Array.prototype.reduce()` to map unique values to an object's keys, adding to existing keys every time the same value is encountered.\n\n",
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"title": "mostFrequent",
|
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|
||||
"text": "Returns the most frequent element in an array.\n\nUse `Array.prototype.reduce()` to map unique values to an object's keys, adding to existing keys every time the same value is encountered.\nUse `Object.entries()` on the result in combination with `Array.prototype.reduce()` to get the most frequent value in the array.\n\n",
|
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"text": "Returns an object with the unique values of an array as keys and their frequencies as the values.\n\nUse `Array.prototype.reduce()` to map unique values to an object's keys, adding to existing keys every time the same value is encountered.\n\n",
|
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"example": "frequencies(['a', 'b', 'a', 'c', 'a', 'a', 'b']); // { a: 4, b: 2, c: 1 }"
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@ -4695,7 +4720,7 @@
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||||
"fileName": "join.md",
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||||
"text": "Joins all elements of an array into a string and returns this string.\nUses a separator and an end separator.\n\nUse `Array.prototype.reduce()` to combine elements into a string.\nOmit the second argument, `separator`, to use a default separator of `','`.\nOmit the third argument, `end`, to use the same value as `separator` by default.\n\n",
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"es6": "const join = (arr, separator = ',', end = separator) =>\n arr.reduce(\n (acc, val, i) =>\n i === arr.length - 2\n ? acc + val + end\n : i === arr.length - 1\n ? acc + val\n : acc + val + separator,\n ''\n );",
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"es5": "var join = function join(arr) {\n var separator = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : ',';\n var end = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : separator;\n return arr.reduce(function (acc, val, i) {\n return i === arr.length - 2 ? acc + val + end : i === arr.length - 1 ? acc + val : acc + val + separator;\n }, '');\n};",
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"example": "join(['pen', 'pineapple', 'apple', 'pen'], ',', '&'); // \"pen,pineapple,apple&pen\"\njoin(['pen', 'pineapple', 'apple', 'pen'], ','); // \"pen,pineapple,apple,pen\"\njoin(['pen', 'pineapple', 'apple', 'pen']); // \"pen,pineapple,apple,pen\""
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"fileName": "mostFrequent.md",
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"text": "Returns the most frequent element in an array.\n\nUse `Array.prototype.reduce()` to map unique values to an object's keys, adding to existing keys every time the same value is encountered.\nUse `Object.entries()` on the result in combination with `Array.prototype.reduce()` to get the most frequent value in the array.\n\n",
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||||
"es5": "var mostFrequent = function mostFrequent(arr) {\n return Object.entries(arr.reduce(function (a, v) {\n a[v] = a[v] ? a[v] + 1 : 1;\n return a;\n }, {})).reduce(function (a, v) {\n return v[1] >= a[1] ? v : a;\n }, [null, 0])[0];\n};",
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"example": "mostFrequent(['a', 'b', 'a', 'c', 'a', 'a', 'b']); // 'a'"
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@ -5604,7 +5654,7 @@
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"fileName": "objectToQueryString.md",
|
||||
"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",
|
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"es6": "const objectToQueryString = queryParameters => {\n return queryParameters\n ? Object.entries(queryParameters).reduce((queryString, [key, val], index) => {\n const symbol = queryString.length === 0 ? '?' : '&';\n queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : '';\n return queryString;\n }, '')\n : '';\n};",
|
||||
"es6": "const objectToQueryString = queryParameters => {\n return queryParameters\n ? Object.entries(queryParameters).reduce((queryString, [key, val], index) => {\n const symbol = queryString.length === 0 ? '?' : '&';\n queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : '';\n return queryString;\n }, '')\n : '';\n};",
|
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"example": "objectToQueryString({ page: '1', size: '2kg', key: undefined }); // '?page=1&size=2kg'"
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@ -6175,7 +6225,7 @@
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"es6": "const pipeAsyncFunctions = (...fns) => arg => fns.reduce((p, f) => p.then(f), Promise.resolve(arg));",
|
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"es5": "var pipeAsyncFunctions = function pipeAsyncFunctions() {\n for (var _len = arguments.length, fns = new Array(_len), _key = 0; _key < _len; _key++) {\n fns[_key] = arguments[_key];\n }\n\n return function (arg) {\n return fns.reduce(function (p, f) {\n return p.then(f);\n }, Promise.resolve(arg));\n };\n};",
|
||||
"example": "const sum = pipeAsyncFunctions(\n x => x + 1,\n x => new Promise(resolve => setTimeout(() => resolve(x + 2), 1000)),\n x => x + 3,\n async x => (await x) + 4\n);\n(async () => {\n console.log(await sum(5)); // 15 (after one second)\n})();"
|
||||
"example": "const sum = pipeAsyncFunctions(\n x => x + 1,\n x => new Promise(resolve => setTimeout(() => resolve(x + 2), 1000)),\n x => x + 3,\n async x => (await x) + 4\n);\n(async() => {\n console.log(await sum(5)); // 15 (after one second)\n})();"
|
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@ -6185,10 +6235,10 @@
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@ -6822,7 +6872,7 @@
|
||||
"fileName": "remove.md",
|
||||
"text": "Removes elements from an array for which the given function returns `false`.\n\nUse `Array.prototype.filter()` to find array elements that return truthy values and `Array.prototype.reduce()` to remove elements using `Array.prototype.splice()`.\nThe `func` is invoked with three arguments (`value, index, array`).\n\n",
|
||||
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|
||||
"es6": "const remove = (arr, func) =>\n Array.isArray(arr)\n ? arr.filter(func).reduce((acc, val) => {\n arr.splice(arr.indexOf(val), 1);\n return acc.concat(val);\n }, [])\n : [];",
|
||||
"es5": "var remove = function remove(arr, func) {\n return Array.isArray(arr) ? arr.filter(func).reduce(function (acc, val) {\n arr.splice(arr.indexOf(val), 1);\n return acc.concat(val);\n }, []) : [];\n};",
|
||||
"example": "remove([1, 2, 3, 4], n => n % 2 === 0); // [2, 4]"
|
||||
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||||
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@ -7336,7 +7386,7 @@
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||||
"fileName": "size.md",
|
||||
"text": "Gets the size of an array, object or string.\n\nGet type of `val` (`array`, `object` or `string`). \nUse `length` property for arrays.\nUse `length` or `size` value if available or number of keys for objects.\nUse `size` of a [`Blob` object](https://developer.mozilla.org/en-US/docs/Web/API/Blob) created from `val` for strings.\nSplit strings into array of characters with `split('')` and return its length.\n\n",
|
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|
||||
"es6": "const size = val =>\n Array.isArray(val)\n ? val.length\n : val && typeof val === 'object'\n ? val.size || val.length || Object.keys(val).length\n : typeof val === 'string'\n ? new Blob([val]).size\n : 0;",
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|
||||
"example": "size([1, 2, 3, 4, 5]); // 5\nsize('size'); // 4\nsize({ one: 1, two: 2, three: 3 }); // 3"
|
||||
},
|
||||
@ -7348,10 +7398,10 @@
|
||||
]
|
||||
},
|
||||
"meta": {
|
||||
"hash": "6dd4c6a51d2c80fa4768c95ae01c16a8359c4140bcad28c7fde0cecd72d7d3e2",
|
||||
"hash": "24b93b68a59b49f245590930fed6fb82e286ce09f90e292466cde63c1784c347",
|
||||
"firstSeen": "1514645161",
|
||||
"lastUpdated": "1577431401",
|
||||
"updateCount": 22,
|
||||
"lastUpdated": "1577791301",
|
||||
"updateCount": 23,
|
||||
"authorCount": 5
|
||||
}
|
||||
},
|
||||
|
||||
Reference in New Issue
Block a user