JSFiddle - React, Tailwind, and code Playground

HTML

<form id="das_form" target="_blank" action="http://weblabor.hu">
    <button type="submit">clicky-clicky</button>
</form>

JavaScript

document.getElementById('das_form').onsubmit = function(e){
    e.preventDefault();
    this.onsubmit = null;
    alert('try again...');
}