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Java Script Tutorials

First Class Function and Callbacks

First class function or first class citizen in JavaScript. But what are first class in general, According to wikipedia A first-class citizen (also type, object, entity, or value) in a given programming language is an entity which supports all the operations generally available to other entities Source First class function are treated like variables. Variables are assigned values. They are passed as an […]

Categories
Java Script Tutorials

How I learned call() and apply() in JavaScript

In the past whenever I came across code snippets with the usage of call() and apply(). I would ignore them as they appeared to be on advanced level. It was scary for me, as any new thing is. Than I found this code snippet function add(){ console.log(arguments) //Arguments { 0: 1, 1: 2, 2: 3, […]