jQuery

J Query is a JavaScript library which is supported on multiple browsers. It simplifies the designing of client-side scripting on HTML pages. The j Query library is based on modular approach that allows the creation of powerful and dynamic Web applications. The use of j Query on HTML pages enable developers to abstract the low-level interaction code
with pre-defied library developed on top of the JavaScript. This also helps to keep the client-side script short and concise.
Some of the features of j Query library are as follows:

Easier to understand syntax that helps to navigate the document;
Event handling
Advanced effects and animation
Developing AJAX-based Web applications

j Query is a preferred library used by developers, as it is easy to understand than JavaScript. Also, the features of j Query enable the development of rich Web applications in a shorter period.

Browser Support:

Currently, no browsers have full HTML 5 support as HTML 5 has not yet been introduced as the official standard.

However, the major browsers, such as Chrome, Firefox, Opera, Safari, Internet Explorer, and so on, are trying to add new HTML 5 features to the latest versions of the browsers