Introduction

JavaScript is a client-side scripting language basically used for validation. JavaScript at first used by Netscape Navigator. It is used to make well applications fast. JavaScript is a case sensitive language.
JavaScript can be used in three ways
  1. Internal JavaScript
  2. Inline JavaScript
  3. External JavaScript
Syntax of JavaScript
  1. <script language=” JavaScript”>
  2. ------------------------------
  3. --------------------------------
  4. </script>
Output
Document.write(); or
Document.writeln();
Data types in JavaScript
  1. String
  2. Number
  3. Boolean
  4. Array
  5. Object
  6. Null
  7. Undefined
Variables in JavaScript
JavaScript variable can be assign with var keyword or without var keyword.
Like- var x; or x;
Example
Output: hello c# corner
Conditional statement
If-else
Switch statement
Looping in JavaScript
Output
Array in JavaScript
Output : 10,c#corner,10.50,true,sanjay