<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./js/jquery.min.js"></script>
<style>
div {
width: 100px;
height: 100px;
background-color: pink;
}
</style>
</head>
<body>
<div>11</div>
<ul>
<li>1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
</ul>
<ol>
</ol>
<script>
//click是绑定在点击上面的 但是操作在li
$("ul").on("click", "li", function() {
alert(11);
});
//给未来要操作的绑定事件
$("ol").on("click", "li", function() {
alert(11);
});
var li = $("<li>我是歌谣</li>");
$("ol").append(li);
</script>
</body>
</html>
