Articles tagged as "js"

Hoisting means to be able to access variables and call a function that is declared down below without any error.

Scope is directly depended on the lexical environment of a variable.

Reduce is a method on the javascript Array object’s prototype. Let us see how it actually works.

In this post we will explore what this keyword refers under various conditions and there by understand the keyword and how it works in javascript.

When a file is executed in javascript there are two phases of execution. One is the memory creation phase (phase one), another one is code execution phase (phase two). In the memory creation phase javascript engine skims through the program and allocates undefined to variables and assigns function definition as it is to its name.