安科网
源代码：
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>安科教程(www.ancii.com)</title> </head> <body> <img src="planets.gif" width="145" height="126" usemap="#planetmap"> <map name="planetmap"> <area id="venus" shape="circle" coords="124,58,8" alt="Venus" href="venus.htm" nohref="nohref"> </map> <p>“金星”区域的nohref属性值是: <script> document.write(document.getElementById("venus").noHref); </script> </p> </body> </html>
运行结果
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