JSFiddle - React, Tailwind, and code Playground

by Moien Tajik

HTML

<input type="text" class="textbox" name="subject" />
<input type="checkbox" class="input_control" value="subject" />

JavaScript

$(document).ready(function () {
    $('.input_control').change(function () {
        $('input[name=' + this.value + ']')[0].disabled = !this.checked;
    }).change();
});