<!DOCTYPE html>
<html>
<meta charset="UTF-8">
<head>
</head>
<body>
<div id="mouse" style="background-color: #33cccc;width: 200px;height: 200px;"
onmouseover='over(this)' onmouseout='out(this)'>请把鼠标放上去</div>
<script>
function over(obj) {
obj.innerHTML = "麻烦把鼠标放下去";
}
function out(obj) {
obj.innerHTML = "麻烦把鼠标放上去";
}
</script>
</body>
</html>
javascript onmouseover、onmouseout练习代码
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转载自blog.csdn.net/weixin_45949073/article/details/107961405
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