<html> <body> <img src="/images/example/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="/text/venus.htm" /> </map> <p>针对"Venus"的替换文字为: <script type="text/javascript"> x=document.getElementById('venus'); document.write(x.alt); </script> </p> </body> </html>
编辑上面的文字,按下“查看结果”，效果会显示在右边 Create by 软晨网（RuanChen.com）