JSFiddle - React, Tailwind, and code Playground
by Claudius
HTML
<form>
<input
name="resp_mail"
required="required"
onchange="try{setCustomValidity(' ')}catch(e){}"
onkeypress="try{setCustomValidity(' ')}catch(e){}"
oninvalid="setCustomValidity('Custom error message')"
type="email"
placeholder="Enter mail"
/>
<input type='submit' value='Send' name='bar' type='post'/>
</form>