Class Selector (“.class”)
class selector
version added: 1.0jQuery('.class')
- class
- 一個(gè)用來(lái)搜索的類名。一個(gè)元素可以有多個(gè)類；其中只有一個(gè)必須匹配。
描述： 選擇給定類名的所有元素。
對(duì)于類選擇器，如果瀏覽器支持，jQuery使用JavaScript的原生getElementsByClassName()函數(shù)。
Examples:
Example: Finds the element with the class "myClass".
<!DOCTYPE html>
<html>
<head>
<style>
div,span {
width: 100px;
height: 40px;
float:left;
padding: 10px;
margin: 10px;
background-color: #EEEEEE;
}
</style>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
</head>
<body>
<div class="notMe">div class="notMe"</div>
<div class="myClass">div class="myClass"</div>
<span class="myClass">span class="myClass"</span>
<script>$(".myClass").css("border","3px solid red");</script>
</body>
</html>Demo:
Example: Finds the element with both "myclass" and "otherclass" classes.
<!DOCTYPE html>
<html>
<head>
<style>
div,span {
width: 100px;
height: 40px;
float:left;
padding: 10px;
margin: 10px;
background-color: #EEEEEE;
}
</style>
<script src="http://code.jquery.com/jquery-latest.min.js"></script>
</head>
<body>
<div class="myclass">div class="notMe"</div>
<div class="myclass otherclass">div class="myClass"</div>
<span class="myclass otherclass">span class="myClass"</span>
<script>$(".myclass.otherclass").css("border","13px solid red");</script>
</body>
</html>