Special installation and compilation is not required to execute a program.
Download and include the jquery library file into the .html files.
CDN based version
jQuery library can be included directly in the HTML code from Content Delivery Network (CDN).
Latest version of the content deliver is provided by Google and Microsoft.
Google CDN : https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js
Microsoft CDN : http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.12.2.min.js
Steps to write jQuery code
Download jQuery library (jquery.js or jquery-1.3.2.min.js).
Create a new folder in any directory of your choice.
Drag and drop the jquery.js file into the folder that is created by you.
Create a reference of jQuery library in the html file by adding the following snippet in a web page.
<head>
<script type = “text/javascript” src = “jquery.js”>
</script>
</head>
jQuery Syntax
The jQuery syntax is written to select the HTML elements and perform some action on these elements.
Syntax: $(selector).action()
where, $ sign defines the jQuery. (selector) finds the HTML elements. action() is type of event that performs some type of action on the elements like click, hide etc.
Example:
1. $(document).ready(function() {….})
It prevents any jQuery code from getting executed before the document is ready or loaded.
