This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| function mergeSort(arr) { | |
| if (arr.length === 1) { | |
| return arr; | |
| } | |
| const center = Math.floor(arr.length / 2); | |
| const left = arr.slice(0, center); | |
| const right = arr.slice(center); | |
| return merge(mergeSort(left), mergeSort(right)); | |
| } |
Tellisense
/ Advanced Array methods: Native javascript code for forEach, map, filter, reduce, every, some
Last active
July 7, 2022 00:40
Creating our own advanced Array methods: forEach, map, filter, reduce, every and some, using native javascript code, so that we can understand them better.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| //forEach | |
| Array.prototype.myforEach = function(cb) { | |
| for (let i = 0; i < this.length; i++){ | |
| cb(this[i], i, this); | |
| } | |
| return undefined; | |
| }; |