onmouseover - 将鼠标悬停在图像映射上
- <!DOCTYPE html>
- <html>
- <head>
- <script>
- function writeText(txt) {
- document.getElementById("desc").innerHTML = txt;
- }
- </script>
- </head>
-
- <body>
-
- <img src ="/i/eg_planets.jpg"
- alt="Planets"
- usemap ="#planetmap" />
-
- <map name="planetmap">
- <area shape ="rect" coords ="0,0,108,260"
- onmouseover="writeText('太阳和像木星这样的天然气巨行星是迄今为止太阳系中最大的天体。')"
- href ="/demo/planets_sun.html" target ="_blank" alt="Sun" />
-
- <area shape ="circle" coords ="129,162,9"
- onmouseover="writeText('水星很难从地球上研究,因为它总是如此接近太阳。')"
- href ="/demo/planets_mercur.html" target ="_blank" alt="Mercury" />
-
- <area shape ="circle" coords ="180,139,14"
- onmouseover="writeText('直到 20 世纪 60 年代,金星经常被认为是地球的孪生姐妹,因为金星是离我们最近的行星,因为这两个行星似乎有许多共同的特征。')"
- href ="/demo/planets_venus.html" target ="_blank" alt="Venus" />
- </map>
-
- <p id="desc">将鼠标悬停在太阳和火星上,看看不同的描述。</p>
-
- </body>
- </html>