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HTML DOM form属性


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Definition and Usage
定义与用法

The form property returns a reference to the form that contains the checkbox.
form属性可返回包含checkbox表单的参考

This property returns a form object on success.
这个属性可返回表单对象

Syntax
语法

checkboxObject.form


Example
举例

The following example returns the id of the form the checkbox belongs to:
返回checkbox所在表单的id:

<html>
<body>
<form id="form1">
<input type="checkbox" id="check1" />

</form>
<p>The form containing the checkbox is: 
<script type="text/javascript">
x=document.getElementById('check1');
document.write(x.form.id);
</script></p>
</body>
</html>


Try-It-Yourself Demos

Get the id of the form the checkbox belongs to
checkbox所在表单的id

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