父節(jié)點(diǎn)獲取子節(jié)點(diǎn)的字符串示例代碼

2019-11-20 21:02:27

字體：大中小

供稿：網(wǎng)友

1、JavaScript方法：document.getElementById("id").innerHTML;

（1）實(shí)例說明

 
<!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>獲取HTML中的子項(xiàng)</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="獲取字符串"/> 
</div> 
</body> 
</html> 

（2）點(diǎn)擊按鈕后，彈出信息

2、jQuery中的方法：$("#id").html()

（1）實(shí)例說明

復(fù)制代碼代碼如下:

 
<!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中父節(jié)點(diǎn)獲取子節(jié)點(diǎn)字符串</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="獲取值"/> 
</div> 
</body> 
</html> 