defaultChecked参数属性

Sets or retrieves the state of the check box or radio button.

dhtml语法

HTML N/A
Scripting object.defaultChecked [ = bChecked ]

DHTML可能的值

bChecked Boolean that specifies or receives one of the following values.
true Default. Check box or radio button is selected by default.
false Check box or radio button is not selected by default.
The property is read/write. The property has a default value of true.

Remarks

The property can be changed programmatically, but doing so has no effect on the appearance of the check box or radio button or on how forms are submitted.

是否符合公共标准

This property is defined in World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 .

Applies To

INPUT type=checkbox, INPUT type=radio

更多语法参考

checked