8.16.2012

Difference between JavaScript and jQuery

Difference between JavaScript and jQuery
S.No
JavaScript
jQuery
1
Meaning:

JavaScript is the most popular scripting language on the internet, and works in all major browsers, such as Internet Explorer, Firefox, Chrome, Opera, and Safari.
Meaning:

JQuery is a fast and concise JavaScript Library that simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.
2
Composed of:

JavaScript is a combination of ECMA Script and Document Object Model (DOM).
Composed of:

jQuery has Document Object Model (DOM).
3
Web-based application creation:

JavaScript has many processes in creating web based applications.

Example:
Two JavaScript function to change the background color with the onload function that would need to placed into the body tag

function changeBackground(color) {
document.body.style.background = color;
}
onload="changeBackground('red');"

Note:
If we use this unstructured code then there is many problems to validate the html source of web page. So JQuery is best to use and easy to understand.
Web-based application creation:

Creating a web based application using jQuery becomes easier.

Example:
One JQuery changing the background color of a body tag

$('body').css('background', '#ccc');

This is the clean code JQuery provides.
4
Animation Creation:

Animations are not possible using JavaScript.
Animation Creation:

Animations can be easily created using jQuery.

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