JS案例：鼠标移入和移出时在页面显示不同的图形
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<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>鼠标移动显示不同图片功能</title>
<script type="text/javascript">
function mouseover(){
//函数返回结果false
document.getElementById("image1").src = "images/2.jpg"
}
function mouseOut() {
document.getElementById("image1").src = "images/1.jpg"
}
</script>
</head>
<body>
<p>
<img id="image1" name="image1" src="images/1.jpg" onmouseover="mouseover()" onmouseout="momouseout()" />
</p>
</body>
</html>
