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36 lines (34 loc) · 1.27 KB
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>事件切换</title>
<script src="../js/jquery-3.3.1.min.js" ></script>
<script src="./lib/jquery-migrate-1.0.0.js"></script>
<script type="text/javascript" charset="UTF-8"></script>
<!--
3. 事件切换:toggle
* jq对象.toggle(fn1,fn2...)
* 当单击jq对象对应的组件后,会执行fn1.第二次点击会执行fn2.....
* 注意:1.9版本 .toggle() 方法删除,jQuery Migrate(迁移)插件可以恢复此功能。
<script src="../js/jquery-migrate-1.0.0.js" type="text/javascript" charset="utf-8"></script>
-->
<script>
$(function () {
$("#btn").toggle(function () {
//改变div背景色backgroundColor 颜色为 green
$("#mydiv").css("backgroundColor","green");
},function () {
//改变div背景色backgroundColor 颜色为 pink
$("#mydiv").css("backgroundColor","pink");
});
});
</script>
</head>
<body>
<input id="btn" type="button" value="事件切换">
<div id="mydiv" style="width:300px;height: 300px;background: pink;">
点击按钮变成绿色,再次点击红色
</div>
</body>
</html>