JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://code.jquery.com/jquery-1.5.2.min.js"></script>

JavaScript

$('<input>').attr({
    type: 'checkbox',
    checked:true
}).appendTo('body');

$('<input>').attr({
    type: 'checkbox'
}).appendTo('body').attr({
    checked: true 
});