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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="webProject.兼容非兼容.WebForm1" %>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">
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<html xmlns="" >
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<head runat="server">
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<title></title>
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<script type="text/javascript">
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function clk() {
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var VLCObj = document.getElementById('MyOject0');
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if ( VLCObj != null )
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{
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alert(VLCObj.data);
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VLCObj.data = "";
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}
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alert(VLCObj.data);
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var VLCObj1 = document.getElementById('myTest');
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if (VLCObj1 != null)
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{
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alert(VLCObj1.data);
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VLCObj1.data = "";
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}
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alert(VLCObj1.data);
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}
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</script>
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</head>
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<body>
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<form id="form1" runat="server">
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<div>
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<div id="myTest" onclick="clk()">mytest</div>
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</div>
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<object width="301" height="230" title="" id="MyOject0" classid="clsid:52c209fd-75f6-41da-893f-fbda4a1bb1b8" style="background-color: black; display: block;"/>
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</form>
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</body>
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</html>
如上代码
非兼容模式下，object元素是默认有一个data值，且为空，当我们为它赋值后，这个值会变为，当前URL.
兼容模式下，object元素是无默认data值，为undefined，当我们为它赋值后，这个值就为空.
所以在使用自定义属性时，应避免使用data之类可能为保留字的名称。
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