Input Text readOnly Property
Example
Set a text field to read-only:
document.getElementById("myText").readOnly = true;
Try it yourself »
Definition and Usage
The readOnly property sets or returns whether a text field is read-only, or not.
A read-only field cannot be modified. However, a user can tab to it, highlight it, and copy the text from it.
Tip: To prevent the user from interacting with the field, use the disabled property instead.
Browser Support
The readOnly property is supported in all major browsers.
Syntax
Return the readOnly property:
textObject.readOnly
Set the readOnly property:
textObject.readOnly=true|false
Property Values
| Value | Description |
|---|---|
| true|false |
Specifies whether a text field should be read-only or not
|
Technical Details
| Return Value: | A Boolean, returns true if the text field is read-only, otherwise it returns false |
|---|
More Examples
Example
Find out if a text field is read-only or not:
var x = document.getElementById("myText").readOnly;
The result of x will be:
true
Try it yourself »
Related Pages
HTML reference: HTML <input> readonly attribute
Input Text Object
