JSFiddle - React, Tailwind, and code Playground

by mojtaba

HTML

<input type="checkbox" name="enable" id="enable" />
    <input type="text" id="name" name="name" disabled="disabled" />

JavaScript

var checkbox = document.getElementById('enable');
var field = document.getElementById('name');

checkbox.onclick = function () {
    var checked = this.checked;
    field.disabled = ! checked;
};