CSS pop-up box

Principle

With the CSS feature # msgbody Div {}, it takes effect only when the ID is msgbody.

Compatibility

Compatible with IE7 +, chrome, and Firefox
In IE6, the Select element is always at the top layer. Fix is not supported, so it can only be absolutely located. The pop-up layer jumps to the top.
After modifying the body ID in IE6, display: block; display is incorrect (some are displayed). in IE6, use left:-pixel PX; to hide the body.

Call methods in JS

Pop-up method: Document. Body. ID = 'msgbody ';
Hiding method: Document. Body. ID = '';

Test results in chrome

 

Instance download: http://files.cnblogs.com/zjfree/cssAlert.rar