What can jquery do

What jquery can do is: 1. Access and operate DOM elements; 2. Control page styles; 3. Process page events; 4. Use jquery plug-ins to improve the functions and effects of the page; 5. Use ajax to read server data asynchronously.

jquery is used in the following aspects:

(Learning video sharing: jquery video tutorial)

1. Access and operate DOM elements

Use jQuery to easily obtain and modify specified elements in the page, such as adding, deleting products, leaving messages, personal information, etc.

2. Control the page style

Using jQuery can easily control the CSS file of the page. Using jQuery to operate the page style can be well compatible with various browsers, such as: Weibo, Skin-changing function for blogs, mailboxes, etc.

3. Processing of page events

After the introduction of jQuery, the presentation layer of the page can be separated from the functional development. Developers can focus more on the logic and efficacy of the program, and page designers can Focus on page optimization and user experience, and achieve the combination of the two through the event binding mechanism.

4. Convenient use of jQuery plug-ins

You can use a large number of jQuery plug-ins to improve the functions and effects of the page. It greatly enriches the display effect of the page.

5. Perfect combination with Ajax technology

Using Ajax to asynchronously read server data greatly facilitates program development, enhances page interaction, improves user experience, and introduces After jQuery, the writing of code is reduced, and complex functions can be easily implemented through its internal functions and objects.

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