JSFiddle - React, Tailwind, and code Playground

HTML

<form action="#" method="GET">
    <fieldset>
        <input class="no-submit" type="text" name="sample" />
    </fieldset>
</form>

JavaScript

var inputs = document.getElementsByTagName('input');

if(inputs) {
    for(var i = inputs.length - 1; i >= 0; i--) {
        if(inputs[i].className.indexOf('no-submit') != -1) {
            inputs[i].onkeydown = function(e) {
                e = e || window.event
                if(e.keyCode == 13) {
                    return false;
                }
            }
        }
    }
}