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Introduction to the use of prev ~ siblings selector in jQuery

巴扎黑
巴扎黑Original
2017-06-22 13:35:051078browse

As the title says, it is used to match all siblings elements after the prev element. Here is an example to share with you. Friends who don’t know can learn from it

1. prev ~ siblings: match the siblings after the prev element. All siblings elements
2,
(1) prev: any valid selector
(2) siblings: a selector, and it acts as a sibling of the first selector
3, example
(1) Source code
siblings.html

The code is as follows:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> 
<title>prev ~ siblings选择器</title> 
<script type="text/
javascript
" src="
jquery
-2.0.3.js"></script> 
<style type="text/css"> 
body{ 
width:100%; 
height
:100%; 
font-size
:18px; 
color:#00FF00; 
} 
</style> 
<script type="text/javascript"> 
$(function(){ 
//匹配所有元素 
$("*").css("
background-color
","#FFE4E1"); 
//prev ~ siblings选择器运用 
$("label ~ input").css("font-size","30px"); 
//点击事件，prev ~ siblings选择器运用 
$("#pwd").click(function(){ 
alert("我被选中！"); 
}); 
}); 
</script> 
</head> 
<body> 
<form id="form_body"> 
<label class="username">用户名：</label> 
<input type="text" id="username" name="username"/> 
<label class="password">密 码：</label> 
<input type="password" id="password" name="password"/> 
<input type="button" id="login" name="login" value="登录"/> 
<input type="reset" id="reset" name="reset" value="重置"/> 
<input type="checkbox" id="pwd" name="pwd"/>记住密码 
</form> 
</body> 
</html>


(2)The displayed result is as follows
Introduction to the use of prev ~ siblings selector in jQuery

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