jQuery - Introduction

jQuery is a popular JS library developed by John Resig. In this journey we will explore the basics of jQuery that includes,

Find something and do something to it using pre-writtern Javascript 

Advantage

• Cross Browser compatibility including IE6.
• Light weight
• AJAX Support
• Animation

Motto

• write less and do more

How to use jQuery

• Download jQuery library from jQuery.com and it is present in single file and include the same in ur js file
• Just like maven,include the jQuery library from CDN(Content Delievery network)

Basic Syntax

• $(selector).action()-General Syntax
• $(".fresco")-to select with class
• $("*")-To select all the element
• $("p, #matrix, .fresco")-combination of more than one selector with others

Keywords

• first()-first element
• eq()-index element
• filter()-condition within condition $("p").filter(".fresco")
• not()
• slice()-between the index 2,5
• last()-last element