在用户注册的时候,常常用户点击文字就需要将光标聚焦到对应的表单上面,这个是怎么实现的呢?就是下面我要介绍的<label>标签的for属性

 

定义:for 属性规定 label 与哪个表单元素绑定。

 

<!--
显式的联系:
<label for="SSN">Social Security Number:</label>
<input type="text" name="SocSecNum" id="SSn" />

隐式的联系:
<label>Date of Birth: <input type="text" name="DofB" /></label>
-->	

 

下面是我自己写的例子:

<!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=gb2312" />

<title>无标题文档</title>
</head>
<body>
	
	<table>
		<tr>
			<td><label for="username">用户名:</label></td>
			<td><input type="text" name="username" id="username"></td>
		</tr>
		<tr>
			<td><label for="password">密码:</label></td>
			<td><input type="password" name="username" id="password"></td>
		</tr>
		<tr>
			<td><label for="repassword">密码确认:</label></td>
			<td><input type="password" name="username" id="repassword"></td>
		</tr>
		<tr>
			<td><label for="_basketball">爱好:</label></td>
			<td>
				<label><input type="checkbox" value="basketball" name="hobby" id="_basketball">basketball</label>
				<label><input type="checkbox" value="football" name="hobby" id="_football">football</label>
				<label><input type="checkbox" value="skating" name="hobby" id="_skating">skating</label>
				<label><input type="checkbox" value="dance" name="hobby" id="_dance">dance</label>
			</td>
		</tr>
		<tr>
			<td><label for="_boy">性别:</label></td>
			<td>
				<label><input type="radio" value="boy" name="sex" id="_boy">boy</label>
				<label><input type="radio" value="girl" name="sex">girl</label>
			</td>
		</tr>
		<tr>
			<td><label for="email">邮箱:<label></td>
			<td><input type="text" name="email" id="email"></td>
		</tr>
		<tr>
			<td><label for="address">住址:</label></td>
			<td><input type="text" name="address" id="address"></td>
		</tr>
	</table>
</body>
</html>

 

 

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