JSFiddle - React, Tailwind, and code Playground

HTML

<form action='#' id="my-form">
    <input type='text' name='asdf'/>
    <input type='submit' name='jkl' value='Submit'/>
</form>

JavaScript

document.getElementById('my-form').onsubmit = function() {
    console.log("asdf");
   // displayAlert();
    return false;
}
function displayAlert() {
    alert("test");    
}