jQuery node traverses next, prev, siblings - ipangjie
In
jquery, when we want to get the adjacent elements of an element, there are three commands that can be used:
next(): used to get The next sibling element.
prev(): used to get the previous sibling element.
siblings(): Used to obtain all sibling elements.
<!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>
<title>jQuery中的节点遍历next下一个、prev上一个、siblings兄弟</title>
<script src="js/jquery-1.4.2.js" type="text/javascript"></script>
<script type="text/javascript">
$(function() { //next()方法用于获取节点之后的 挨着 的第一个同辈元素 //参数为空显示挨着 的第一个同辈元素 参数不为空就行匹配，如是参数元素显示，如不是显示空 //$(this).next("p").text() 点击aaaa返回弹出空 点击cccc显示dddd
$("p").click(function() {
alert($(this).next("p").text());
}); //nextAll()nextAll()方法用于获取节点之后的所有同辈元素 //参数为空显示所有同辈元素的值 参数不为空就匹配，如是参数元素显示，如不是显示空 //$(this).nextAll().text() 点击aaaa返回弹出bbbbccccdddd 点击cccc显示dddd //$(this).nextAll("p").text() 点击aaaa返回弹出ccccdddd 点击cccc显示dddd
$("p").click(function() {
alert($(this).nextAll("p").text());
}); //prev、prevAll兄弟中之前的元素。 与next、nextAll相反
$("p,p").click(function() {
alert($(this).prev().text());
alert($(this).prevAll().text());
alert($(this).prev("p").text());
alert($(this).prevAll("p").text());
}); //siblings()方法用于获取所有同辈元素
$("p,p").click(function() {
alert($(this).siblings().text());
alert($(this).siblings("p").text());
});
}) //案例：选中的p变色 $(this).css();$(this).siblings().css() //案例：评分控件。prevAll,this,nextAll
</script>
</head>
<body>
<p>
aaaa</p>
<p>
bbbb</p>
<p>
cccc</p>
<p>
dddd</p>
</body>
</html>
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