Spell Checker API to programmatically detect and handle elements (textarea, contenteditable) with misspelled text state

Hello Everyone,

I think a Spell Checker API to programmatically detect and handle elements (textarea, contenteditable) with misspelled text state will be usefull.

So we can, for example, disable a button, send a message to the user among other usefull things.

Sincerely,

Erick Ponce Leão