READONLY Attribute | readOnly参数属性

Sets or retrieves the value indicated whether the content of the object is read-only.

dhtml语法

HTML <ELEMENT READONLY ... >
Scripting object.readOnly [ = bRead ]

DHTML可能的值

bRead Boolean that specifies or receives one of the following values.
false Default. Property is not set on the object.
true Object is set to read-only.
The property is read/write. The property has a default value of false.
Expressions can be used in place of the preceding value(s), as of Microsoft® Internet Explorer 5. For more information, see about dynamic properties.

remarks

if the value of the readonly property is set to true, the user cannot enter or edit text in the control. when set to true, the property still allows the object to receive the focus, whereas the disabled property does not.

是否符合公共标准

This property is defined in HTML 4.0 and is defined in World Wide Web Consortium (W3C) Document Object Model (DOM) Level 1 .

Applies To

INPUT type=text, INPUT type=password, TEXTAREA