Introduction
- Java script is a interpreted, lightweight peogramming language.
 - Javascript is very esay to use with html elements.
 - Javascript makes programmers's life very easy.
 - Javascript is use to create desktop application, web application as well as mobile applications.
 - The most important feature of javascript is it contains pree define frameworks and libraries which makes web development very easy and efficent.
 
- Popular frameworks and libraries of javascript as afollows
 - Angular
 - React
 - JQuery
 - Ext.js
 - Vue.js
 - Node.js
 - Polymer
 - Backbone.js
 - Ember.js
 - Metor
 
Javascript Basic
<!DOCTYPE html>
<html>
<head>
  <title></title>
</head>
<body>
  <script type="text/javascript">
    
  </script>
</body>
</html>
Javascript:
<!DOCTYPE html>
<html>
<head>
  <title>First javascript program</title>
</head>
<body>
  <script type="text/javascript">
    alert("My first javascript program");
  </script>
</body>
</html>