JSFiddle - React, Tailwind, and code Playground

HTML

<button id="edit">BUTTON</button>
<button id="en">Enable/disable</button>

JavaScript

$("#en").click(function() {
    if ($("#edit")[0].disabled == true) {
        $("#edit").attr("disabled", false);
    } else {
        $("#edit").attr("disabled", true);
    }
});