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Jquery method to delete the third li element: 1. Use the ":nth-child(n)" selector to select the third li element, the syntax "$("li:nth-child(3) ")"; 2. Use remove() to delete the selected element and its internal content. The syntax is "specify li element.remove()".
The operating environment of this tutorial: windows7 system, jquery1.10.2 version, Dell G3 computer.
jquery deletes the 3rd li element
Implementation idea:
Select the 3rd li element li element
Delete the obtained li element
Implementation method:
Select the element at the specified position You can use the :nth-child(n) selector. If you want to select the third li element, you can set li:nth-child(3)
To delete selected elements, you can use the remove() method
Use the remove() method to delete an element and all its contents.
Implementation example:
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script src="js/jquery-1.10.2.min.js"></script>
<script>
$(function () {
$("button").click(function () {
$("li:nth-child(3)").remove();
})
})
</script>
</head>
<body>
<ul>
<li>第1个li元素</li>
<li>第2个li元素</li>
<li>第3个li元素</li>
<li>第4个li元素</li>
<li>第5个li元素</li>
<li>第6个li元素</li>
</ul>
<button>删除第3个li元素</button>
</body>
</html>
[Recommended learning: jQuery video tutorial, web Front-End Video】
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