JavaScript Controls

Is there a polyfill for es6 arrow function? the following code throws syntax error exception in IE… Read more Is There A Polyfill For Es6 Arrow Function?

Core Question I need help coming up with a concept to achieve my goal. I am having a problem comin… Read more Idea On Content Passing. Help Needed

So after a big argument/debate/discussion on the implementation of null and undefined in javascript… Read more Null Vs. Undefined And Their Behaviour In Javascript

I'm reading up a bit on using Strict Mode for JavaScript and it seems that, generally speaking,… Read more Does Javascript (ecmascript5) Strict Mode Offer Significant Performance Advantages To Merit Widespread Use?

Certain ECMAScript environments permit switiching into a special mode by means of a Directive Prolo… Read more Ecmascript Multiple Prologue Directives

I think it is an old Javascript behavior (Crockford said it is a design error) that inside a functi… Read more For Javascript, What Prevents Modern Implementation Not To Treat Arguments As A Real Array?

I have this error from TS: It's pretty clear why the error occurs: function outer(){ if (t… Read more Why Ts Complains With Function Declarations Inside Function Body

I am just curious whether I can include an object into function prototype chain. What I mean: var t… Read more Custom Prototype Chain For A Function

Possible Duplicate: Javascript null or undefined null is a reserved word but not a keyword. Hence … Read more Es5 | When To Use Null And When To Use Undefined

When I see the intellisense menu in WebStorm, it shows little circular icons with lettering on them… Read more Jetbrains Webstorm Intellisense

As the spec states (yes, 5.1, that's intentional): AssignmentExpression : ConditionalExpre… Read more How Can Ecmascript Assignmentexpression Production Rule Produce `foo = 42`?

According to the spec (Annex C), strict-mode code can't do pretty much anything that might assi… Read more Why Does Ecmascript 5 Strict Mode Go To Such Great Lengths To Restrict The Identifier `eval`

I am trying to use Dygraph library in an Angular 6 project. It works perfectly in Chrome / FF, howe… Read more Transpile To ES5 Corrupt JS Library In Angular 6 Project

What is the rationale behind this behaviour? function f(x) { console.log(arguments[0]); x = 42;… Read more Why Are JavaScript Arguments Objects Mutated By Assignment To Parameter?

I have an complex object and based on an input array I need to modify properties inside of this com… Read more Manipulating A Complex Object Based On An Input Array