A brief discussion on read-only and disabled attributes in forms

Read-only and disabled attributes in forms

1. Read-only: The server does not want users to modify the data, but only requires the data to be displayed in the form. For example, registration or transaction agreements, product prices, etc.

2. Disable: A function can only be used after a certain condition is met. For example, users are allowed to click the "Register" button only after they agree to the registration agreement. The player space can no longer click the "Play" button when it is in playback state.

For example

<textarea name=”text” rows=”10” cols=”30” readonly=”readonly”><!—This document attribute is read-only-->

(Specific content of the service agreement)…</textarea>

<input type=”submit” value=”Register” disabled=”disabled“/><!—This button is disabled-->

Extension: <input type=”submit” name=”button” value=”Agree to the terms of service, submit registration button” disabled=”true”/>

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