opacity transparency compatibility css/js/query three

1. CSS version

opacity: 1; 
filter:alpha(opacity=100); /* IE */
-moz-opacity:1; /* 老版火狐浏览器*/
-khtml-opacity:1; /* 老版苹果浏览器 */

2、JavaScript版

oDiv.style.opacity = 1; 
oDiv.style.filter = "alpha(opacity=100)"; /* IE */
oDiv.style.MozOpacity = 1; /* 老版火狐浏览器 */
oDiv.style.KhtmlOpacity = 1; /* 老版苹果浏览器 */

3, jQuery version

$("#oDiv").css({"opacity":"1","filter":"alpha(opacity=100)"})