JavaScript Accelerator

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?

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 currently implementing a JavaScript/ECMAScript 5.1 parser with JavaCC and have problems with the … Read more How To Simplify Javascript/ecmascript Array Literal Production?

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

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

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

What scope does the strict mode pragma have in ECMAScript5? 'use strict'; I'd like to … Read more In Ecmascript5, What's The Scope Of "use Strict"?

I'm learning some ES6 features and of course came across the let keyword and its new scope (dif… Read more Javascript Hoisting Var Vs Let