JSFiddle - React, Tailwind, and code Playground

HTML

<form id="mail-form" method="post">
    <input type="text"/>
    <input type="text"/>
    <input type="text"/>
    <input type="submit" value="Submit Me"/>
</form>

JavaScript

$(function() {
    alert("Loaded");
    $('#mail-form').submit(function(){
        alert("No return false, it will still submit");
    });
});