JSFiddle - React, Tailwind, and code Playground

by tuga

HTML

<input type="text" id="email" value="aaaa+aaaa@gmail.com" />
<input type="button" id="test" value="Test Email" />

JavaScript

$("#test").click( 
    function () {
        var email = document.getElementById('email').value; 
    // check date and print message 
if (/\+/im.test(email)) {
	alert("INVALID " + email );
} else {
	alert("VALID " + email);
}
});