READONLY Attribute | readOnly Property

Internet Development Index

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


Scriptingobject.readOnly [ = bRead ]

Possible Values

bReadBoolean that specifies or receives one of the following values.
falseDefault. Property is not set on the object.
trueObject 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.


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.

Standards Information

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

Applies To

INPUT type=text, INPUT type=password, TEXTAREA