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完美的渐变透明效果，支持Firefox

作者:wllllll 来源:无忧脚本时间:2008-6-18 网友评论条【大中小】

完美的渐变透明效果。支持IE，Firefox

渐变，自己写的JS框架中用的东西，发出来了。

修正完全隐藏时，偶尔不display = "none"的问题

ataThis可以发送任何标签，这个标签没有ID也可以，因为用的是自定义属性。
function Clear (DataType ,DataThis, DataTime, DataInterval)
DataType 布尔值 - - 是否隐藏或显示
DataThis 元素 - - 被操作元素
DataTime 数字 - - 发生渐变时间
DataInterva 数字 - - 渐变刷新间隔

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <title>渐变渐显 - 中国asp之家</title> </head> <body> function Clear (DataType ,DataThis, DataTime, DataInterval)<br> DataType 布尔值 - - 是否隐藏或显示<br> DataThis 元素 - - 被操作元素<br> DataTime 数字 - - 发生渐变时间<br> DataInterva 数字 - - 渐变刷新间隔<br> <input onClick="SmallWay.Clear(true, Test, 2000, 10)" type="button" value="慢渐变出现"> <input onClick="SmallWay.Clear(false, Test, 2000, 10)" type="button" value="慢渐变隐藏"><br> <input onClick="SmallWay.Clear(true, Test, 500, 10)" type="button" value="快渐变出现"> <input onClick="SmallWay.Clear(false, Test, 500, 10)" type="button" value="快渐变隐藏"><br> <input onClick="SmallWay.Clear(Math.random() > 0.5, Test, parseInt(Math.random() * 2000), 10)" type="button" value="随意的渐变"><br> <div align="center" Id="Test" style="width:100px;height:100px;background:#000000;color:#FF0000;">效果</div> <div Id="Div">检测Test是否隐藏</div> <script language="javascript"> var Test = document.getElementById('Test') </script> <script language="javascript"> var SmallWay = {} SmallWay.Clear = function(DataType ,DataThis, DataTime, DataInterval){ var HaShowId = parseInt(Math.random() * 10000000) DataThis.setAttribute("SmallWay_Show_Id", HaShowId) var HaInterval = ( !isNaN(DataInterval) ) ? parseInt(DataInterval) : 10 var HaTime = ( !isNaN(DataTime) ) ? parseInt(DataTime) : 1000 var HaOpacity = DataThis.getAttribute("SmallWay_Show_OpacityId") if ( HaOpacity == null ) { HaOpacity = ( DataThis.style.display != "none" ) ? 100 : 0 DataThis.style.filter = "Alpha(Opacity=" + HaOpacity + ")" DataThis.style.cssText = DataThis.style.cssText.replace(/;-moz-opacity:.*?;/gi, "") + ";-moz-opacity:" + (HaOpacity / 100) } HaOpacity = ( DataThis.style.display != "none" ) ? HaOpacity : 0 HaOpacity = ( !isNaN(HaOpacity) ) ? (HaTime / HaInterval) * (parseInt(HaOpacity) / 100) : 0 eval("SmallWay.ThisData_" + HaShowId + " = DataThis") if ( DataType ) { DataThis.style.display = "block" for ( var i = HaOpacity; i <= HaTime / HaInterval; i++ ){ window.setTimeout( "" + "var HaThis = SmallWay.ThisData_" + HaShowId + "\n" + "if ( HaThis != null ) {\n" + "if ( HaThis.getAttribute(\"SmallWay_Show_Id\") == \"" + HaShowId + "\" ) {\n" + "HaThis.style.filter = \"Alpha(Opacity=" + (100 / (HaTime / HaInterval) * i) + ")\"\n" + "HaThis.style.cssText = HaThis.style.cssText.replace(/;-moz-opacity:.*?;/gi, \"\") + \";-moz-opacity:" + (1 / (HaTime / HaInterval) * i) + "\"\n" + "HaThis.setAttribute(\"SmallWay_Show_OpacityId\", " + (100 / (HaTime / HaInterval) * i) + ")\n" + "}\n" + "}\n" , HaInterval * (i - HaOpacity)) } window.setTimeout( "" + "SmallWay.ThisData_" + HaShowId + " = null\n" + "delete SmallWay.ThisData_" + HaShowId + "\n" , HaInterval * (i - HaOpacity)) }else{ for ( var i = HaOpacity; i >= 0; i-- ){ window.setTimeout( "" + "var HaThis = SmallWay.ThisData_" + HaShowId + "\n" + "if ( HaThis != null ) {\n" + "if ( HaThis.getAttribute(\"SmallWay_Show_Id\") == \"" + HaShowId + "\" ) {\n" + "HaThis.style.filter = \"Alpha(Opacity=" + (100 / (HaTime / HaInterval) * i) + ")\"\n" + "HaThis.style.cssText = HaThis.style.cssText.replace(/;-moz-opacity:.*?;/gi, \"\") + \";-moz-opacity:" + (1 / (HaTime / HaInterval) * i) + "\"\n" + "HaThis.setAttribute(\"SmallWay_Show_OpacityId\", " + (100 / (HaTime / HaInterval) * i) + ")\n" + "}\n" + "}\n" , (HaOpacity - i) * HaInterval) } window.setTimeout( "" + "var HaThis = SmallWay.ThisData_" + HaShowId + "\n" + "if ( HaThis != null ) {\n" + "if ( HaThis.getAttribute(\"SmallWay_Show_Id\") == \"" + HaShowId + "\" ) {\n" + "HaThis.style.display = \"none\"" + "}\n" + "}\n" + "SmallWay.ThisData_" + HaShowId + " = null\n" + "delete SmallWay.ThisData_" + HaShowId + "\n" , (HaOpacity - i) * HaInterval) } } </script> </body> </html> [提示：你可先修改部分代码，再按运行]

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完美的渐变透明效果，支持Firefox

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