The parent node gets the string sample code for the child node

2020-03-30 02:09:10
OfStack

1. JavaScript method: document.getelementbyid ("id"). InnerHTML;

(1) example illustration

 
<!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> To obtain HTML The children in </title> 
<script type="text/javascript"> 
function getStr() 
{ 
var str = document.getElementById("div_child").innerHTML; 
alert(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> 
<input type="button" id="btn" onclick="getStr()" value=" Get string "/> 
</div> 
</body> 
</html>

(2) after clicking the button, the message pops up
< img SRC = "border = 0 / / files.jb51.net/file_images/article/201402/201402261631123.gif? 2014126163144 ">
2. Methods in jQuery: $("#id").html()

(1) example illustration

 
<!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 The parent node gets the child node string </title> 
<script type="text/javascript" src="jquery-2.1.0.js"></script> 
<script type="text/javascript"> 
$(function(){ 
$("#btn").click(function(){ 
var str = $("#div_child").html(); 
alert(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> 
<input type="button" id="btn" value=" Get the value "/> 
</div> 
</body> 
</html>

(2) operation results
< img SRC = "border = 0 / / files.jb51.net/file_images/article/201402/201402261632154.gif? 2014126163228 ">