点击运行
<!DOCTYPE html> <html> <body> <img src ="/zy/i/eg_planets.jpg" alt="Planets" usemap ="#planetmap" /> <map name ="planetmap"> <area shape ="circle" coords ="180,139,14" href ="/zy/example/hdom/venus.html" id="venus" target="_self"/> </map> <p>单击按钮可返回图像映射中“venus”区域的 target 属性值。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var x = document.getElementById("venus").target; document.getElementById("demo").innerHTML = x; } </script> </body> </html>
运行结果
