Background Image cache _ HTML/Xhtml _ webpage creation in ie6

CSS background image flashing Bug in IE6 (background image caching problem in ie6) CSS background image flashing Bug in IE6 (background image caching problem in ie6)

The background image in IE6 will be re-sent (not local) each time it is used. When a hover is connected, the same background image is only in different locations. ie6 will send a request again, this crashing thing needs to be solved:
For ie, the filter: expression is very powerful and can implement a lot of functions. However, for life-oriented programmers, its efficiency is not flattering, so some people will use the css method to implement the background image caching in ie6, but such people also worship the power of Microsoft:

The Code is as follows:

Html {filter: expression(document.exe cCommand ("BackgroundImageCache", false, true);} Of course, disadvantage: It may slow the loading of the entire page

Most people will choose the js method for implementation:

The Code is as follows: