JSFiddle - React, Tailwind, and code Playground
HTML
<input id="password1" type="text"/>
<br/>
<input id="password2" type="text"/>
<p id="validate-status"></p>
JavaScript
$(document).ready(function() {
$("#password2").keyup(validate);
});
function validate() {
var password1 = $("#password1").val();
var password2 = $("#password2").val();
if(password1 == password2) {
$("#validate-status").text("valid");
}
else {
$("#validate-status").text("invalid");
}
}