CSS弹出背景半透明窗口_html/css_WEB-ITnose

" language="javascript"> $(function(){ var query = location.search; var equal_index = query.lastIndexOf("="); var result_index = query.indexOf("result"); var submit_index = query.indexOf("submit"); if(result_index != -1){ if(query.substring(equal_index + 1) == 'success') { $("#msg").text('保存成功'); pupopen(); } } if(submit_index != -1){ if(query.substring(equal_index + 1) == 'success') { $("#msg").text('上报成功'); pupopen(); } } }); function pupopen(){ $("#bg").css("display", "block"); $("#popbox").css("display", "block"); $(window).scroll(function(){ $(window).scrollTop(0); });// 禁止浏览器滚屏 } function pupclose(){ $("#bg").css("display", "none"); $("#popbox").css("display", "none"); $(window).unbind("scroll");// 恢复浏览器滚屏 } body{margin:0px;} #bg{width:100%;height:100%;top:0px;left:0px;position:absolute;filter: Alpha(opacity=50);opacity:0.5; background:#000000; display:none;} #popbox{position:absolute;width:300px; height:200px; left:50%; top:50%; margin:-200px 0 0 -200px; display:none; background:#FFFFFF;} 终于搞定这个效果了，IE和FF,OP均可以~ 先说原理:两个层,一个高度和宽度都是100%,另一个就是你要弹出的窗口的具体内容,半透明在IE中是用filter: Alpha(opacity=60);在非IE中用opacity:0.60;

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