查找区域的 href 属性的查询字符串部分
- <!DOCTYPE html>
- <html>
- <body>
-
- <img src="/i/eg_planets.gif"
- width="145" height="126"
- usemap="#planetmap" />
-
- <map name="planetmap">
- <area id="venus" shape="circle"
- coords="124,58,8"
- alt="Venus"
- href="/example/hdom/venus.html?id=venus" />
- </map>
-
- <p>单击按钮以显示“venus”区域的 href 属性的查询字符串部分。</p>
-
- <button onclick="myFunction()">试一试</button>
-
- <p id="demo"></p>
-
- <script>
- function myFunction() {
- var x = document.getElementById("venus").search;
- document.getElementById("demo").innerHTML = x;
- }
- </script>
-
- </body>
- </html>