jQuery
jQuery
jQuery API (哪里不会点哪里)
jQuery 库 CDN加速
<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.js"></script>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="https://cdn.bootcss.com/jquery/3.4.1/core.js"></script>
</head>
<body>
</body>
</html>选择器
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.js"></script>
</head>
<body>
<a href="" id="test-jquery">点击</a>
<script>
//选择器就是 CSS 选择器
$('#test-jquery').click(function () {
alert('点击');
})
</script>
</body>
</html>公式：$(selector).action()
$('p').click(); //标签选择器
$('#id').click(); //Id选择器
$('.class').click(); //类选择器鼠标事件
//当网页加载完毕之后，响应事件
<script>
$(function(){
});
</script>操作DOM
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.js"></script>
</head>
<body>
<ul id="test-ul">
<li class="javascript">javascript</li>
<li name="python">python</li>
</ul>
<script>
$('#test-ul li[name = python]').text();
$('#test-ul').html();
console.log($('#test-ul li[name = python]').text());
console.log($('#test-ul').html());
</script>
</body>
</html>节点文本操作
$('#test-ul li[name = python]').text(); //获得值
$('#test-ul li[name = python]').text('设置值'); //设置值
$('#test-ul').html(); //获得值
$('#test-ul').html('<text>123</text>'); //设置值结果
元素的显示与隐藏
$('#test-ul li[name = python]').show()
$('#test-ul li[name = python]').hide() 相关推荐
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