Set a text field to read-only:
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.
The readOnly property is supported in all major browsers.
Return the readOnly property:
Set the readOnly property:
Specifies whether a text field should be read-only or not
|Return Value:||A Boolean, returns true if the text field is read-only, otherwise it returns false|
Find out if a text field is read-only or not:
The result of x will be:
HTML reference: HTML <input> readonly attribute