JSFiddle - React, Tailwind, and code Playground
HTML
<form>
<input type="text" id="email_to" name="email_to" placeholder=" Email*">
</form>
<form>
<button id="button1">Submit</button>
</form>
JavaScript
$(function() {
$('#button1').click(function(e) {
$("#email").prop('required',true);
});
});