App下載
實例代碼( Tip: 登錄后體驗更佳 )
<!DOCTYPE html>
<html>
<head> 
<meta charset="utf-8"> 
<title>W3Cschool在线教程(w3cschool.cn)</title> 
</head>
<body>
<img src="/statics/images/course/planets.gif" width="145" height="126" usemap="#planetmap">
<map name="planetmap">
<area id="venus" shape="circle" coords="124,58,8" alt="The planet Venus" href="venus.htm">
</map>
<p>金星的替代文本:
<script>
document.write(document.getElementById("venus").alt);
</script>
</p>
</body>
</html>
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運行結(jié)果