01jQuery - Importance
jQuery is not a language, instead it is written in JavaScript code.The basic knowledge you need to have to start jQuery to know basics of html, CSS, JavaScript The actual purpose of jQuery is to make it much easier to use JavaScript on your website.
It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers. With a combination of versatility and extensibility, jQuery has changed the way that millions of people write JavaScript.
It is designed to simplify client side scripting of HTML
jQuery simplifies a lot of the complicated things from JavaScript, like AJAX calls and DOM manipulation.
The jQuery library contains the following features:
- HTML/DOM manipulation
- CSS manipulation
- HTML event methods
- Effects and animations
- AJAX
- Utilities
Out of many JavaScript libraries available jQuerry is most extendable and popular.
02Why jQuery is opted ?
jQuery is very compact and increases the productivity of the developer by enabling them to achieve critical UI functionality by writing very small amount of code.
- It helps to improve the performance of the application
- It helps to develop most browser compatible web page
- It helps to implement UI related critical functionality without writing hundreds of lines of codes
- It is fast
- It is extensible – jQuery can be extended to implement customized behavior
Other advantages of jQuery are:
- No need to learn fresh new syntaxes to use jQuery, knowing simple JavaScript syntax is enough
- Simple and cleaner code, no need to write several lines of codes to achieve complex functionality
jQuery is a free and open source JavaScript library that is used by Web developers
