JavaScript Guide

I was looking up how to iterate NodeLists and I came across the following bit of code. var nodesArr… Read more What Is The Purpose Of Calling Array.prototype.slice Against A Nodelist?

The following is a series of else-if statements, where once evaluated, appends data to an array wit… Read more How To Simplify Else-if Statements Where Text String Evaluation Has The Same Name As Array Getting Appended To? (javascript)

Consider the following code: var els = document.querySelectorAll('.myClassName'); Array.pr… Read more Javascript Foreach On Nodelist

I have a very simple problem but for some reason I can't find the answer for it. label.forEach(… Read more Javascript - Convert Number To Month Name

I have an array with anonymous elements. Elements are added to the array via php, like so: $playlis… Read more Looping Through Array And Output As Pairs (divider For Each Second Element)

I have a page that displays a list of products. The user can select the quantity of a product to or… Read more Jquery Not Registering Button Click

I have a service app.service('myService', function() { this.list = []; this.execut… Read more Variable Is Not Accessible In Angular.foreach

I am calling an API for price data which is working correctly. However, I am trying to pass the var… Read more Passing A Variable To A Request-promise Function Inside A ForEach Loop

I have an array of object some with same month name but different values based on day. How do we gr… Read more Group Javascript Array Object By Same Key

Using AngularJs, when using a forEach Loop, the variable outside the loop still always 0: to expla… Read more Waiting For Promise In A Loop

JavaScript's forEach documentation states that the .forEach syntax is: arr.forEach(callback[, t… Read more What Is The Purpose Of ThisArg In .forEach?