JSFiddle - React, Tailwind, and code Playground

by mprabhat

HTML

<form id="test" action="dosomething.do" method="post">
     <input type="text" id="textbox"/>
     <input type="submit">
</form>

JavaScript

$('#test').submit(function(event) {
    if(jQuery('#textbox').val() == '') {
       alert('Not submitting');
       //event.preventDefault(); Not necessary but better
       return false;
    }
})