JSFiddle - React, Tailwind, and code Playground

HTML

<input type="checkbox" class="checkbox" />
<input type="checkbox" class="checkbox" />
<input type="checkbox" class="checkbox" />
<input type="checkbox" class="checkbox" />

<br>
<button>Toggle</button>

JavaScript

function toggleChecked() {
    var boxes = $(".checkbox");
    boxes.each(function(){$(this).prop("checked", !$(this).prop("checked"));});
}

$('button').click(toggleChecked);