jQuery - CSS ??? ???? ? ??
jQuery ?? CSS
jQuery?? CSS ??? ?? ?? ?? ??? ????. ?? ??? ?????:
addClass() - ??? ??? ?? ??? ??? ??
removeClass() - ??? ???? ?? ??? ??? ??
toggleClass() - ??? ??? ?? /??? ?? ?? ??
css() - ??? ?? ?? ?? ??
stylesheet
.important
{
font-weight:bold;
font-size :xx-large;
}
addClass() ???
<!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(){
$("h1,h2,p").addClass("blue");
$("div").addClass("important");
});
});
</script>
<style type="text/css">
.important
{
font-weight:bold;
font-size:xx-large;
}
.blue
{
color:blue;
}
</style>
</head>
<body>
<h1>標題 1</h1>
<h2>標題 2</h2>
<p>段落1</p>
<p>段落2</p>
<div>文本</div>
<br>
<button>為元素添加 class</button>
</body>
</html>addClass() ????? ?? ???? ??? ?? ????.
<!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(){
$("#div1").addClass("important blue");
});
});
</script>
<style type="text/css">
.important
{
font-weight:bold;
font-size:xx-large;
}
.blue
{
color:blue;
}
</style>
</head>
<body>
<div id="div1">文本。</div>
<div id="div2">文本。</div>
<br>
<button>為第一個元素添加類</button>
</body>
</html>removeClass() ???
<!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(){
$("h1,h2,p").removeClass("blue");
});
});
</script>
<style type="text/css">
.important
{
font-weight:bold;
font-size:xx-large;
}
.blue
{
color:blue;
}
</style>
</head>
<body>
<h1 class="blue">標題 1</h1>
<h2 class="blue">標題 2</h2>
<p class="blue">段落1</p>
<p>段落2</p>
<br>
<button>從元素中移除 class</button>
</body>
</html>t oggleClass() ???
? ???? ??? ??? ?? ??? ?? ?? ??/??? ?????.
<!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(){
$("h1,h2,p").toggleClass("blue");
});
});
</script>
<style type="text/css">
.blue
{
color:blue;
}
</style>
</head>
<body>
<h1 class="blue">標題 1</h1>
<h2 class="blue">標題 2</h2>
<p class="blue">段落1</p>
<p>段落2</p>
<br>
<button>切換 class</button>
</body>
</html>
