Fix test cases
This commit is contained in:
@ -9,5 +9,5 @@ const JSONToDate = arr => {
|
||||
const dt = new Date(parseInt(arr.toString().substr(6)));
|
||||
return `${ dt.getDate() }/${ dt.getMonth() + 1 }/${ dt.getFullYear() }`
|
||||
};
|
||||
// jsonToDate(/Date(1489525200000)/) -> "14/3/2017"
|
||||
// JSONToDate(/Date(1489525200000)/) -> "14/3/2017"
|
||||
```
|
||||
|
||||
@ -7,5 +7,5 @@ Use `fs.writeFile()`, template literals and `JSON.stringify()` to write a `json`
|
||||
```js
|
||||
const fs = require('fs');
|
||||
const JSONToFile = (obj, filename) => fs.writeFile(`${filename}.json`, JSON.stringify(obj, null, 2))
|
||||
// jsonToFile({test: "is passed"}, 'testJsonFile') -> writes the object to 'testJsonFile.json'
|
||||
// JSONToFile({test: "is passed"}, 'testJsonFile') -> writes the object to 'testJsonFile.json'
|
||||
```
|
||||
|
||||
@ -6,5 +6,5 @@ Convert given RGB parameters to hexadecimal string using bitwise left-shift oper
|
||||
|
||||
```js
|
||||
const RGBToHex = (r, g, b) => ((r << 16) + (g << 8) + b).toString(16).padStart(6, '0');
|
||||
// rgbToHex(255, 165, 1) -> 'ffa501'
|
||||
// RGBToHex(255, 165, 1) -> 'ffa501'
|
||||
```
|
||||
|
||||
@ -9,5 +9,5 @@ const UUIDGenerator = () =>
|
||||
([1e7] + -1e3 + -4e3 + -8e3 + -1e11).replace(/[018]/g, c =>
|
||||
(c ^ crypto.getRandomValues(new Uint8Array(1))[0] & 15 >> c / 4).toString(16)
|
||||
);
|
||||
// uuid() -> '7982fcfe-5721-4632-bede-6000885be57d'
|
||||
// UUIDGenerator() -> '7982fcfe-5721-4632-bede-6000885be57d'
|
||||
```
|
||||
|
||||
@ -6,5 +6,5 @@ Use `Array.reduce()` to add each value to an accumulator, initialized with a val
|
||||
|
||||
```js
|
||||
const arrayAverage = arr => arr.reduce((acc, val) => acc + val, 0) / arr.length;
|
||||
// average([1,2,3]) -> 2
|
||||
// arrayAverage([1,2,3]) -> 2
|
||||
```
|
||||
|
||||
@ -6,5 +6,5 @@ Use `Array.reduce()` to add each value to an accumulator, initialized with a val
|
||||
|
||||
```js
|
||||
const arraySum = arr => arr.reduce((acc, val) => acc + val, 0);
|
||||
// sum([1,2,3,4]) -> 10
|
||||
// arraySum([1,2,3,4]) -> 10
|
||||
```
|
||||
|
||||
@ -16,7 +16,7 @@ const cleanObj = (obj, keysToKeep = [], childIndicator) => {
|
||||
})
|
||||
}
|
||||
/*
|
||||
testObj = {a: 1, b: 2, children: {a: 1, b: 2}}
|
||||
const testObj = {a: 1, b: 2, children: {a: 1, b: 2}}
|
||||
cleanObj(testObj, ["a"],"children")
|
||||
console.log(testObj)// { a: 1, children : { a: 1}}
|
||||
*/
|
||||
|
||||
@ -6,5 +6,5 @@ Use ES6 `Set` and the `...rest` operator to discard all duplicated values.
|
||||
|
||||
```js
|
||||
const distinctValuesOfArray = arr => [...new Set(arr)];
|
||||
// unique([1,2,2,3,4,4,5]) -> [1,2,3,4,5]
|
||||
// distinctValuesOfArray([1,2,2,3,4,4,5]) -> [1,2,3,4,5]
|
||||
```
|
||||
|
||||
@ -6,5 +6,5 @@ Use `Array.filter()` to create a new array that contains every nth element of a
|
||||
|
||||
```js
|
||||
const everyNth = (arr, nth) => arr.filter((e, i) => i % nth === 0);
|
||||
// everynth([1,2,3,4,5,6], 2) -> [ 1, 3, 5 ]
|
||||
// everyNth([1,2,3,4,5,6], 2) -> [ 1, 3, 5 ]
|
||||
```
|
||||
|
||||
@ -7,6 +7,6 @@ Use `Array.map()`, `split()` and `Array.join()` to join the mapped array for con
|
||||
```js
|
||||
const extendHex = shortHex =>
|
||||
'#' + shortHex.slice(shortHex.startsWith('#') ? 1 : 0).split('').map(x => x+x).join('')
|
||||
// convertHex('#03f') -> '#0033ff'
|
||||
// convertHex('05a') -> '#0055aa'
|
||||
// extendHex('#03f') -> '#0033ff'
|
||||
// extendHex('05a') -> '#0055aa'
|
||||
```
|
||||
|
||||
@ -9,5 +9,5 @@ You can omit `el` to use a default value of `window`.
|
||||
const getScrollPosition = (el = window) =>
|
||||
({x: (el.pageXOffset !== undefined) ? el.pageXOffset : el.scrollLeft,
|
||||
y: (el.pageYOffset !== undefined) ? el.pageYOffset : el.scrollTop});
|
||||
// getScrollPos() -> {x: 0, y: 200}
|
||||
// getScrollPosition() -> {x: 0, y: 200}
|
||||
```
|
||||
|
||||
@ -10,5 +10,5 @@ const getURLParameters = url =>
|
||||
url.match(/([^?=&]+)(=([^&]*))/g).reduce(
|
||||
(a, v) => (a[v.slice(0, v.indexOf('='))] = v.slice(v.indexOf('=') + 1), a), {}
|
||||
);
|
||||
// getUrlParameters('http://url.com/page?name=Adam&surname=Smith') -> {name: 'Adam', surname: 'Smith'}
|
||||
// getURLParameters('http://url.com/page?name=Adam&surname=Smith') -> {name: 'Adam', surname: 'Smith'}
|
||||
```
|
||||
|
||||
@ -8,5 +8,5 @@ You can omit `start` to use a default value of `0`.
|
||||
```js
|
||||
const initializeArrayWithRange = (end, start = 0) =>
|
||||
Array.from({ length: end - start }).map((v, i) => i + start);
|
||||
// initializeArrayRange(5) -> [0,1,2,3,4]
|
||||
// initializeArrayWithRange(5) -> [0,1,2,3,4]
|
||||
```
|
||||
|
||||
@ -7,5 +7,5 @@ You can omit `value` to use a default value of `0`.
|
||||
|
||||
```js
|
||||
const initializeArrayWithValues = (n, value = 0) => Array(n).fill(value);
|
||||
// initializeArray(5, 2) -> [2,2,2,2,2]
|
||||
// initializeArrayWithValues(5, 2) -> [2,2,2,2,2]
|
||||
```
|
||||
|
||||
@ -10,7 +10,7 @@ const pipeFunctions = (...fns) => fns.reduce((f, g) => (...args) => g(f(...args)
|
||||
/*
|
||||
const add5 = x => x + 5
|
||||
const multiply = (x, y) => x * y
|
||||
const multiplyAndAdd5 = pipe(multiply, add5)
|
||||
const multiplyAndAdd5 = pipeFunctions(multiply, add5)
|
||||
multiplyAndAdd5(5, 2) -> 15
|
||||
*/
|
||||
```
|
||||
|
||||
@ -6,5 +6,5 @@ Use `Math.random()` to generate a random value, map it to the desired range usin
|
||||
|
||||
```js
|
||||
const randomNumberInRange = (min, max) => Math.random() * (max - min) + min;
|
||||
// randomInRange(2,10) -> 6.0211363285087005
|
||||
// randomNumberInRange(2,10) -> 6.0211363285087005
|
||||
```
|
||||
|
||||
@ -15,7 +15,7 @@ const readFileLines = filename => fs.readFileSync(filename).toString('UTF8').spl
|
||||
line2
|
||||
line3
|
||||
___________________________
|
||||
let arr = readFileToArray('test.txt')
|
||||
let arr = readFileLines('test.txt')
|
||||
console.log(arr) // -> ['line1', 'line2', 'line3']
|
||||
*/
|
||||
```
|
||||
|
||||
@ -7,5 +7,5 @@ Use `Array.reduce()` to create a promise chain, where each promise returns the n
|
||||
```js
|
||||
const runPromisesInSeries = ps => ps.reduce((p, next) => p.then(next), Promise.resolve());
|
||||
// const delay = (d) => new Promise(r => setTimeout(r, d))
|
||||
// series([() => delay(1000), () => delay(2000)]) -> executes each promise sequentially, taking a total of 3 seconds to complete
|
||||
// runPromisesInSeries([() => delay(1000), () => delay(2000)]) -> executes each promise sequentially, taking a total of 3 seconds to complete
|
||||
```
|
||||
|
||||
@ -13,5 +13,5 @@ const speechSynthesis = message => {
|
||||
msg.voice = window.speechSynthesis.getVoices()[0];
|
||||
window.speechSynthesis.speak(msg);
|
||||
};
|
||||
// speak('Hello, World') -> plays the message
|
||||
// speechSynthesis('Hello, World') -> plays the message
|
||||
```
|
||||
|
||||
@ -8,5 +8,5 @@ Return the string truncated to the desired length, with `...` appended to the en
|
||||
```js
|
||||
const truncateString = (str, num) =>
|
||||
str.length > num ? str.slice(0, num > 3 ? num - 3 : num) + '...' : str;
|
||||
// truncate('boomerang', 7) -> 'boom...'
|
||||
// truncateString('boomerang', 7) -> 'boom...'
|
||||
```
|
||||
|
||||
Reference in New Issue
Block a user