change 事件适用于文本域在值变化时触发，我们也可以在非标单元素中通过主动调用 change() 方法来触发 change 事件
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| <!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>change事件</title>
<style>
#container {
min-height: 120px;
border: 1px solid #aaa;
}
</style>
</head>
<body>
<div id="container">
</div>
<button type="button" id="btn">add "aaa" for div</button>
<button type="button" id="attr">监听属性</button>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script>
function changes(){
alert("changes");
}
$("#btn").click(function() {
$("#container").append("aaa").change();
});
$("#attr").click(function() {
$("#container").attr("data-value", "test").change();
});
$("#container").bind("change", changes);
</script>
</body>
</html>
|
试一试