JS based on AJAX implementation of Web page loading effect code _JAVASCRIPT skills

The example of this article tells JS based on AJAX implementation of the Web page loading effect code. Share to everyone for your reference, specific as follows:

This is a very good web page loading effect, commonly used in AJAX interactive Web design, click the button to pop up the loading box, if the loading box is not loaded when the page closes, pop-up confirmation prompts box for some of the security performance requirements of the Web interactive processing, such as payment operations.

The screenshot of the running effect is as follows:

The online demo address is as follows:

http://demo.jb51.net/js/2015/js-ajax-web-loading-style-codes/

The specific code is as follows:

I hope this article will help you with your JavaScript programming.