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Input Text readOnly Property

< Input Text Object

Example

Set a text field to read-only:

document.getElementById("myText").readOnly = true;
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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

Internet Explorer Firefox Opera Google Chrome Safari

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
  • true - The text field is read-only
  • false - Default. The text field is changeable

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
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Related Pages

HTML reference: HTML <input> readonly attribute


< Input Text Object