jQuery Introduction

jQuery tutorial for beginners and professionals provides deep knowledge of jQuery technology. On Code Config website jQuery tutorial will help you to learn jQuery fundamentals with examples, selectors, events, effects, traversing, CSS and attributes and many more.

What is jQuery?

jQuery is a fast, small, cross-platform, and feature-rich JavaScript library. This is intended to simplify client-side HTML scripting. An easy-to-use API that works across a wide variety of browsers makes it easy to iterate and edit HTML documents, animations, event handling, AJAX, and more. The main purpose of jQuery is to provide an easy way to use JavaScript in your website to make it more interactive and attractive. Also used to add animations.

jQuery is lightweight and fast JavaScript library. It is cross-platform and supports different types of browsers. It is also referred as? write less do more? because it takes a lot of common tasks that requires many lines of JavaScript code to accomplish and binds them into methods that can be called with a single line of code whenever needed. It is also very useful to simplify a lot of the complicated things from JavaScript, like AJAX calls and DOM manipulation.

Key points of jQuery:

  1. jQuery is a small and lightweight JavaScript library.
  2. jQuery is cross-platform.
  3. jQuery means “write less do more”.
  4. jQuery simplifies AJAX call and DOM manipulation.

jQuery Features

Following are the important features of jQuery:

  1. HTML manipulation
  2. DOM manipulation
  3. DOM element selection
  4. CSS manipulation
  5. Effects and Animations
  6. Utilities
  7. AJAX
  8. HTML event methods
  9. JSON Parsing
  10. Extensibility through plug-ins

Why we need jQuery?

The question may arise: why do we need jQuery and what is the difference in using it instead of AJAX/JavaScript? Is jQuery an alternative to AJAX or JavaScript? All these questions can be answered as follows:

  1. It is very fast and extensible.
  2. It facilitates the users to write UI related function codes in minimum possible lines.
  3. It improves the performance of an application.
  4. Browser’s compatible web applications can be developed.
  5. It uses mostly new features of new browsers.

So, you can say that out of the lot of JavaScript frameworks, jQuery is the most popular and the most extendable. Many of the biggest companies like Microsoft, Google, IBM, Netflix on the web use jQuery.

What should you know before start learning jQuery?

One should learn HTML, CSS and JavaScript first. But, if you belong to a technical background, it is up to you.

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