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How to remove sibling nodes in jquery
- 青灯夜游Original
- 2022-04-21 18:02:452000browse
Jquery method to remove sibling nodes: 1. Use siblings(), next(), prev() and other functions to obtain the designated sibling nodes of the selected element, such as "element object.siblings()"; 2. Use remove() to delete the obtained sibling node, the syntax is "sibling node.remove()".
The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.
jquery method to remove sibling nodes
Implementation idea:
-
Use jquery Methods to obtain sibling nodes
There are generally seven methods to obtain sibling nodes: siblings(), next(), nextAll(), nextUntil(), prev(), prevAll(), prevUntil()
siblings() method, mainly used to obtain all sibling elements of the same level of the specified element
- ##next() method, mainly used to obtain the specified element The next sibling element
- nextAll() method is mainly used to obtain all sibling elements of the next sibling element of the specified element
- nextUntil( ) method, mainly used to obtain the next sibling element of the specified element. This sibling element must be the element between the specified element and the element set by the nextUntil() method
- prev() method , mainly used to obtain the upper level sibling elements of the specified element
- prevAll() method, mainly used to obtain all the sibling elements of the upper level of the specified element
- The prevUntil() method is mainly used to obtain the previous sibling element of the specified element. This sibling element must be the element between the specified element and the element set by the prevUntil() method
- Use the remove() method to delete the obtained sibling nodes
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script src="js/jquery-1.10.2.min.js"></script>
<style>
.siblings * {
display: block;
border: 2px solid lightgrey;
color: lightgrey;
padding: 5px;
margin: 15px;
}
</style>
<script>
$(document).ready(function() {
$("li.start").siblings().css({
"color": "red",
"border": "2px solid red"
});
$("button").click(function() {
$("li.start").siblings().remove();
});
});
</script>
</head>
<body>
<div style="width:500px;" class="siblings">
<ul>ul (父节点)
<li>li (类名为"star"的上一个兄弟节点)</li>
<li>li (类名为"star"的上一个兄弟节点)</li>
<li class="start">类名称为“star”的li元素</li>
<li>li (类名为"star"的下一个兄弟节点)</li>
<li>li (类名为"star"的下一个兄弟节点)</li>
</ul>
</div>
<p>选择类名称为“star”的li元素的所有兄弟元素</p>
<button>删除所有兄弟元素</button>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script src="js/jquery-1.10.2.min.js"></script>
<style>
.siblings * {
display: block;
border: 2px solid lightgrey;
color: lightgrey;
padding: 5px;
margin: 15px;
}
</style>
<script>
$(document).ready(function() {
$("li.start").next().css({
"color": "red",
"border": "2px solid red"
});
$("button").click(function() {
$("li.start").next().remove();
});
});
</script>
</head>
<body>
<div style="width:500px;" class="siblings">
<ul>ul (父节点)
<li>li (类名为"star"的上上一个兄弟节点)</li>
<li>li (类名为"star"的上一个兄弟节点)</li>
<li class="start">类名称为“star”的li元素</li>
<li>li (类名为"star"的下一个兄弟节点)</li>
<li>li (类名为"star"的下下一个兄弟节点)</li>
</ul>
</div>
<p>选择类名称为“star”的li元素的下一个兄弟元素</p>
<button>删除下一个兄弟元素</button>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<script src="js/jquery-1.10.2.min.js"></script>
<style>
.siblings * {
display: block;
border: 2px solid lightgrey;
color: lightgrey;
padding: 5px;
margin: 15px;
}
</style>
<script>
$(document).ready(function() {
$("li.start").prev().css({
"color": "red",
"border": "2px solid red"
});
$("button").click(function() {
$("li.start").prev().remove();
});
});
</script>
</head>
<body>
<div style="width:500px;" class="siblings">
<ul>ul (父节点)
<li>li (类名为"star"的上上一个兄弟节点)</li>
<li>li (类名为"star"的上一个兄弟节点)</li>
<li class="start">类名称为“star”的li元素</li>
<li>li (类名为"star"的下一个兄弟节点)</li>
<li>li (类名为"star"的下下一个兄弟节点)</li>
</ul>
</div>
<p>选择类名称为“star”的li元素的上一个兄弟元素</p>
<button>删除上一个兄弟元素</button>
</body>
</html>
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