<!DOCTYPE html>
<html>
<meta charset="UTF-8">
<head>
</head>
<body>
<div id="mouse" style="background-color: #33cccc;width: 200px;height: 200px;"
onmousedown='over(this)' onmouseup='out(this)'>请把鼠标按下去</div>
<script>
function over(obj) {
obj.innerHTML = "松开鼠标";
}
function out(obj) {
obj.innerHTML = "按下鼠标";
}
</script>
</body>
</html>
javascript onmousedown、onmouseup练习代码
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转载自blog.csdn.net/weixin_45949073/article/details/107961584
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