Readonly doesn't work

[halivert]

How to use a variable to set readonly attribute in a textarea?

Example:
https://codepen.io/halivert/pen/gOxWxMW

[niutech]

It works, but you assign true or false value to readonly, whereas it should be true or undefined to remove the attribute. So type: :readonly="readonly || undefined"

[halivert]

Thank you so much 🙏🏽