Javascript Overview

Javascript

Number:

“hello”. charAt(0);Output :h

“hello”.toUpperCase();Output :HELLO

Variable

Let,const and var.

Operators

Control loops

Object

Let obj = new Object ();

Or, let obj = {};

objectName.Name1.Name2

objectName[Name1][Name2]

Array

Function

Function javascriptFunction (para1,para2){task

return something }

javascriptFunction(arg1,arg2);

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