JSFiddle - React, Tailwind, and code Playground

HTML

<input name="input1" />
<br />
<br />
<input name="input2" />
<br />
<br />
<input name="input3" />
<br />
<br />
<textarea name="input4"></textarea>

JavaScript

function createCookie(name, value, days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        var expires = '; expires=' + date.toGMTString();
    } else var expires = '';
    document.cookie = name + '=' + value + expires + '; path=/';
}

$('input, textarea').keyup(function () {
    var $this = $(this);
    createCookie($this.attr('name'), $this.val(), 1);
});