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.
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| //forEach | |
| Array.prototype.myforEach = function(cb) { | |
| for (let i = 0; i < this.length; i++){ | |
| cb(this[i], i, this); | |
| } | |
| return undefined; | |
| }; |
alexhawkins
/ nativeJavaScript.js
Last active
February 2, 2024 16:57
Implementation of Native JavaScript Methods (forEach, Map, Filter, Reduce, Every, Some)
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| 'use strict'; | |
| /*****************NATIVE forEACH*********************/ | |
| Array.prototype.myEach = function(callback) { | |
| for (var i = 0; i < this.length; i++) | |
| callback(this[i], i, this); | |
| }; | |
| //tests |