1、 JavaScript 方法: document.getElementById ("id"). innerhtml;
(1) 实例说明
复制代码代码如下:
<! 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 = utf-8" />
<title> 获取 html 中的子项 </title>
<script type = "text/javascript">
ฟังก์ชั่น getStr ()
-
var str = document.getElementById ("div_child"). innerhtml;
การแจ้งเตือน (STR);
-
</script>
</head>
<body>
<div id = "div_child">
<table>
<tr>
<th> </th>
<th> </th>
<th> </th>
<th> </th>
<th> </th>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
</table>
<อินพุต type = "ปุ่ม" id = "btn" onclick = "getStr ()" value = "获取字符串"/>
</div>
</body>
</html>
(2) 点击按钮后,,
2、 jQuery 中的方法: $ ("#id"). html ()
(1) 实例说明
复制代码代码如下:
<! 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 = utf-8" />
<title> jQuery 中父节点获取子节点字符串 </title>
<script type = "text/javascript" src = "jQuery-2.1.0.js"> </script>
<script type = "text/javascript">
$ (function () {
$ ("#btn") คลิก (ฟังก์ชัน () {
var str = $ ("#div_child"). html ();
การแจ้งเตือน (STR);
-
-
</script>
</head>
<body>
<div id = "div_child">
<table>
<tr>
<th> </th>
<th> </th>
<th> </th>
<th> </th>
<th> </th>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
<tr>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
<td> </td>
</tr>
</table>
<อินพุต type = "ปุ่ม" id = "btn" value = "获取值"/>>
</div>
</body>
</html>
(2) 运行结果