JSFiddle - React, Tailwind, and code Playground

by Cody Lindley

HTML

<script src="https://dl.dropboxusercontent.com/u/2026291/firebug-lite-debug.js"></script>

JavaScript

var arrayLikeObject = {0:'f',1:'o',2:'g',length:3};

//call foreach, set the callback this value to arraylikeObject  
[].forEach.call(arrayLikeObject,function(item){
    
    //inside of function this = arrayLikeObject
    console.log(item + ' total: ' + this.length);
    
},arrayLikeObject); //notice third argument, passing arraylikeObject