Javascript CSS modification and learning Chapter 4 transparency settings

Here is the test page.
Set transparency in Javascript
I use the following CodeTo set transparency:

Copy codeThe Code is as follows: function setopacity (value ){
Testobj. style. Opacity = value/10;
Testobj. style. Filter = 'Alpha (opacity = '+ value * 10 + ')';
}

Use opacity in Mozilla and Safari, and use filter in IE. The value ranges from 0 to 10. Test Results
IE Description: an element must have a layout to execute filter. In addition, IE6 has a strange effect on the left margin element.

Http://www.quirksmode.org/js/opacity.html

Reprinted please keep the following information
Author: Beiyu (TW: @ rehawk)