<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<script src="js/jquery.js"></script>
</head>
<style>
body{font-family: "微软雅黑";width: 980px; margin: 0 auto; text-align: center;}
.box{
width: 300px;
height: 300px;
background: green;
border: 1px solid #e6e6e6;
line-height: 200px;
position: absolute;
}
button{
border: none;
background: green;
width: 125px;
height: 50px;
line-height: 50px;
color: #fff;
font-size: 16px;
margin-top: 50px;
font-family: "微软雅黑";
}
</style>
<body>
<button id="btn1">显示text</button>
<button id="btn2">显示html</button>
<button id="btn3">显示输入内容</button>
<p id="text">这是要显示<b>粗体</b>的节奏</p>
<br />
<input id="input" value="买房子">
<script>
$(document).ready(function(){
$("#btn1").click(function(){
alert("Text: " + $("#text").text());
});
$("#btn2").click(function(){
alert("HTML: " + $("#text").html());
});
$("#btn3").click(function(){
alert("Value: " +$("#input").val());
});
});
</script>
</body>
</html>
Tips:
1、点击事件节点的选择 #botton
2、alert 的代码规则 （"Value: " + $("#id").html）
时间： 2024-12-16 16:01:58