javascript nyumon

Would the following code cause any issues?: var a = 1; var a = 2; My understanding is that javascr… Read more Declaring A Javascript Variable Twice In Same Scope - Is It An Issue?

I have a directive that will use ng-model to expose its value. The question is that this directive … Read more Isolating Directive Scope But Preserve Binding On Ngmodel

I have trouble understanding the scoping rules in Javascript. In the example below, I would assume … Read more Javascript: Every Event-handler Defined In For-loop Is The Same, Uses Last Iteration's Values

Please consider snippet below- for(let i = 1; i Solution 1: General Explanation When you use let … Read more Javascript: Understanding Let Scope Inside For Loop

If I were to make a new function using the Function constructor, how could I give it a non-temporar… Read more How To Use Scope In Javascript For Function Constructor?

I'm trying to use an external object inside mongodb map/reduce functions. If the object has a v… Read more Mongodb Mapreduce Scope - Referenceerror

So I encountered a problem. I have this object called myTree. And that object has properties. One o… Read more Accessing Variable Inside Object Property

I'm having an issue with a variable not being passed through an ocanvas function. it appears t… Read more Javascript Variable Not Passing Through Ocanvas Function And For Loop

I have done some tests with codes listed below: function foo(x) { alert(y); } var y = 'I am… Read more Javascript Function Parameter And Scope

Many thanks in advance. I'm working out of a schoolbook and they're using one function to … Read more Javascript Variable Scope Question: To Var, Or Not To Var

I understand that functions called without the 'new' keyword spit out all their properties … Read more Functions In Global Context

I am using the JQuery Boilerplate to write my first JQuery plugin - a responsive carousel. I am usi… Read more Javascript Scoping Issue Using Jquery Boilerplate

If I have a statement in JavaScript like: if(!me.a || !me.b || !me.c) { // I want to know whic… Read more Javascript Tell Which Condition Was Hit

How would you explain JavaScript closures to someone with a knowledge of the concepts they consist … Read more How Do Javascript Closures Work?

I know this has been posted before but I am still confused on how to achieve this for my specific p… Read more Angularjs - Sharing Variables Between Controllers

BRIEF: I have frequented SO for years, but this is my first post. I've heavily searched SO for … Read more Js - Accessing Function Parameters Array Outside Of Scope

I am working with AngularJS, CSS and HTML. Here's what I'm trying to do: A button gets disa… Read more Change Button Text Dynamically In Angularjs

I have been wondering for a while if I can use a variable in JS before it is defined, such as the f… Read more In Javascript, Can I Use A Variable Before It Is Declared?

While looking into ES6 arrow functions' documentation on Mozilla documentation, I got to know t… Read more Compiling Es6 Arrow Functions To Es5 Using Babel.js

It all started with these simple lines of code: a = 3; b = 2; function line(x) { var a = 5; … Read more Variable Scope And Var