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<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>小鸟启蒙(facesoho.com)</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>以下实例演示了 onmousemove, onmouseleave 和 onmouseout 的区别。</h3> <p> onmousemove 事件在鼠标移动到 div 元素上时触发。</p> <p> mouseleave 事件只在鼠标指针移出 div 元素时触发。 </p> <p> onmouseout 事件在鼠标指针移出 div 元素及离开子元素（p 和 span）时触发。</p> <div onmousemove="myMoveFunction()"> <p>onmousemove:<br> <span id="demo">鼠标移入和移出！</span></p> </div> <div onmouseleave="myLeaveFunction()"> <p>onmouseleave:<br> <span id="demo2">鼠标移入和移出！</span></p> </div> <div onmouseout="myOutFunction()"> <p>onmouseout:<br> <span id="demo3">鼠标移入和移出！</span></p> </div> <script> x = 0; y = 0; z = 0; function myMoveFunction() { document.getElementById("demo").innerHTML = z+=1; } function myLeaveFunction() { document.getElementById("demo2").innerHTML = x+=1; } function myOutFunction() { document.getElementById("demo3").innerHTML = y+=1; } </script> </body> </html>
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