HTML label form attributes
Examples
Located in form form outside the <label> element (but still form part of the form):
<form action="demo_form.html" id="form1">
<input type="radio" name="sex" id="male" value="male"><br>
<label for="female">Female</label>
<input type="radio" name="sex" id="female" value="female">
<input type="submit" value="提交">
</form>
<label for="male" form="form1">Male</label>
<input type="radio" name="sex" id="male" value="male"><br>
<label for="female">Female</label>
<input type="radio" name="sex" id="female" value="female">
<input type="submit" value="提交">
</form>
<label for="male" form="form1">Male</label>
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Browser Support
All major browsers support form property.
Definition and Usage
form attribute specifies <label> one or more form elements belongs.
Differences between HTML 4.01 and HTML5
form attribute is new in HTML5 attributes.
grammar
<label form=" form_id ">
Property Value
| 值 | 描述 |
|---|---|
| form_id | 规定 <label> 元素所属的一个或多个表单的 id 列表，以空格分隔。 |
HTML <label> tag