jQuery css() method
css() method sets or returns one or more style attributes of the selected element.
Return CSS properties
To return the value of the specified CSS property, please use the following syntax:
css("propertyname");
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("button").click(function(){
alert("背景颜色 = " + $("p").css("background-color"));
});
});
</script>
</head>
<body>
<h2>这是一个标题</h2>
<p style="background-color:#ff0000">这是一个段落。</p>
<p style="background-color:#00ff00">这是一个段落。</p>
<p style="background-color:#0000ff">这是一个段落。</p>
<button>返回 p 元素的 background-color </button>
</body>
</html>Set CSS properties
To set the specified CSS properties, please use the following syntax:
css("propertyname","value");
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("p").css("background-color","yellow");
});
});
</script>
</head>
<body>
<h2>标题</h2>
<p style="background-color:#ff0000; width:200px;">段落1</p>
<p style="background-color:#00ff00; width:200px;">段落2</p>
<p style="background-color:#0000ff; width:200px;">段落3</p>
<p style="width:300px;">段落4</p>
<button>设置 p 元素的背景</button>
</body>
</html>Set multiple CSS properties
If you need to set multiple CSS properties, please use the following syntax:
css({"propertyname":"value ","propertyname":"value",...});
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js">
</script>
<script>
$(document).ready(function(){
$("button").click(function(){
$("p").css({"background-color":"yellow","font-size":"200%"});
});
});
</script>
</head>
<body>
<h2>标题</h2>
<p style="background-color:#ff0000; width:200px;">段落1</p>
<p style="background-color:#00ff00; width:200px;">段落2</p>
<p style="background-color:#0000ff; width:200px;">段落3</p>
<p style="width:300px;">段落4</p>
<button>设置 p 元素的背景</button>
</body>
</html>
new file
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>php中文网(php.cn)</title>
<script src="http://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("button").click(function(){
$("div").css({color:"red",fontSize:20,backgroundColor:"yellow"});
})
});
</script>
<style type="text/css">
div{
color:blue;
background-color:green;
width:100px;
height:100px;
margin-top:5px;
}
</style>
</head>
<body>
<div>仔细查看变化</div>
<div>仔细查看变化</div>
<br>
<button>点击查看效果</button>
</body>
</html>
Preview
Clear
- Course Recommendations
- Courseware download
The courseware is not available for download at the moment. The staff is currently organizing it. Please pay more attention to this course in the future~
Students who have watched this course are also learning
Let's briefly talk about starting a business in PHP
Quick introduction to web front-end development
Large-scale practical Tianlongbabu development of Mini version MVC framework imitating the encyclopedia website of embarrassing things
Getting Started with PHP Practical Development: PHP Quick Creation [Small Business Forum]
Login verification and classic message board
Computer network knowledge collection
Quick Start Node.JS Full Version
The front-end course that understands you best: HTML5/CSS3/ES6/NPM/Vue/...[Original]
Write your own PHP MVC framework (40 chapters in depth/big details/must read for newbies to advance)