<
input
id
="a1"
type
="checkbox"
name
="a"
value
="1"
/>
< label for ="a1" > ASP </ label >
< input id ="a2" type ="checkbox" name ="a" value ="2" />
< label for ="a2" > PHP </ label >
< input id ="a3" type ="checkbox" name ="a" value ="3" />
< label for ="a3" > ASP.NET </ label >
< input id ="a4" type ="checkbox" name ="a" value ="4" />
< label for ="a4" > C++ </ label >
< label for ="a1" > ASP </ label >
< input id ="a2" type ="checkbox" name ="a" value ="2" />
< label for ="a2" > PHP </ label >
< input id ="a3" type ="checkbox" name ="a" value ="3" />
< label for ="a3" > ASP.NET </ label >
< input id ="a4" type ="checkbox" name ="a" value ="4" />
< label for ="a4" > C++ </ label >
简单说明一下:
label 中的 for = ID(这里对应的是html元素的ID值,所以ID值在页面中必须是唯一的)
所以对于checkbox,name值是一样的,但是id值是唯一。