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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>素材8网教程(study.sucai8.cn)</title> <style> div { width: 100px; height: 100px; border: 1px solid black; margin: 10px; float: left; padding: 30px; text-align: center; background-color: lightgray; } p { background-color: white; } </style> </head> <body> <h3>该实例演示了 onmousemove, onmouseenter 和 onmouseover 的不同。</h3> <p> onmousemove 事件在鼠标移动到 div 元素上时触发。</p> <p> mouseenter 事件中有在鼠标指针进入 div 元素时触发。 </p> <p> onmouseover 事件在鼠标指针进入 div 元素时触发,在子元素上也会触发(p 和 span)。</p> <div onmousemove="myMoveFunction()"> <p>onmousemove: <br> <span id="demo">鼠标移动到我这!</span></p> </div> <div onmouseenter="myEnterFunction()"> <p>onmouseenter: <br> <span id="demo2">鼠标移动到我这!</span></p> </div> <div onmouseover="myOverFunction()"> <p>onmouseover: <br> <span id="demo3">鼠标移动到我这!</span></p> </div> <script> x = 0; y = 0; z = 0; function myMoveFunction() { document.getElementById("demo").innerHTML = z+=1; } function myEnterFunction() { document.getElementById("demo2").innerHTML = x+=1; } function myOverFunction() { document.getElementById("demo3").innerHTML = y+=1; } </script> </body> </html>
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