Case Code:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>jQuery替换和包裹节点</title>
<script type="text/javascript"src="../jquery-3.4.1.min.js"></script>
</head>
<body>
<div class="div">
<</Today is Teacher's Day>= "A"the above mentioned idthe p-the p- >
< the p- the above mentioned id = "b" > Today is Labor Day </ the p- >
</ div >
</ body >
</ HTML >
The results are:
Began to replace:
The results are:
Fill in the html tag into a string:
result:
to sum up:
Replace node Keyword: replaceWith replaceAll
the difference:
1, grammar:
$ (Tag objects) .replaceWith (html);
$ (Html) .replaceAll (tag objects);
2, the difference between the usage restrictions:
replaceWith label or string may be used to replace
But replaceAll only use labels to be replaced
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Package node:
Case Code:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>包裹节点</title>
<script type="text/javascript"src="../jquery-3.4.1.min.js"></script>
</head>
<body>
<div class="div">
<p>今天</p>
<p>是</p>
<p>中秋节！！</p>
</div>
<script>
/**
* 包裹节点的关键字以及语法
* wrap,wrapAll,wrapInner
*$(标签对象).wrap(标签);
*$(标签对象).wrapAll(标签);
* $(标签对象).wrapInner(标签);
*
*/
//需求：使用strong标签使div下的每个p标签的字体都变粗
$(".div p").wrap("<srtong></srtong>")
</script>
</body>
</html>
wrap结果是：
使用wrapAll
结果是：
使用wrapInner
结果是：