jquery Tutorial (i)

First, what is jquery

jquery is a set of cross-browser JavaScript libraries that simplifies the operation between HTML and JavaScript. The first version was released by John Resig on the January 2006 BarCamp NYC. It is currently being developed by the development team led by Dave Methvin. Of the top 10,000 most visited websites in the world, 59% use jquery, which is currently the most popular JavaScript library.

The JQuery library contains the following features:

• HTML element Selection
• HTML element manipulation
• CSS actions
• HTML Event functions
• JavaScript Effects and animations
• HTML DOM Traversal and modification
• Ajax
• Utilities

Second, jquery download

jquery can go to the official website http://jquery.com/to download, enter the official website homepage, on the navigation bar has a download

and see

Download which is available, there are compressed version and uncompressed version, personal suggestions for beginners to download the uncompressed version.

Third, jquery installation

If you are using jquery, you must download the jquery library and bring it into your Web page, jquery is a JS file that can be referenced using the <scriot> tag:

"jquery.js"></script>

If you don't want to download jquery, you can refer to it directly via CDN, just so you can't use jquery without a network.

Google CND

Microsoft CDN:
Iv. Testing
Now let's test if jquery is ready for use.
<! DOCTYPE html>
Running the above code, if the popup jquery environment configuration succeeds, represents your jquery environment configuration success. 
Next time let's experience the charm of jquery!!!
　　
jquery Tutorial (i)