Use jquery local refresh (jquery. load) to retrieve data from the database _ jquery

Jquery provides good ajax interaction. Here I use a string that is returned directly, and jquery is used. the load method extracts data from the database because Jquery is a good javascript framework, and my use of it is still superficial, in a preliminary learning stage, therefore, if you record my learning experience through a blog, you can skip this article. I hope this article will help beginners like me to share and make progress together.

Currently, ajax is increasingly favored by web developers. jquery provides good ajax interaction. Here I use a string that is returned directly, and the jquery. load method is used, which is very basic. Project download

Pay attention to the following two points:

1. The jquery. js path should be correct, otherwise it will be difficult to achieve the desired effect.

2. You need to use $ (document ). ready, this method means that after the file is loaded, execute the JS script in it. If you do not add it, it may not be completed in your document organization, the event binding statement has been executed, but your "# load" has not been loaded yet, leading to event binding failure.