Current cookies: {&quot;chocolate_chip&quot;:&quot;chocolate_chip&quot;}<p><button>Overwrite cookie</button>
<script>
    document.querySelector("button").addEventListener("click", function () {
        // Set many cookies
        for (let i = 0; i < 700; i++) {
            document.cookie = `cookie${i}=${i}`;
        }

        // Remove all cookies
        for (let i = 0; i < 700; i++) {
            document.cookie = `cookie${i}=${i};expires=Thu, 01 Jan 1970 00:00:01 GMT`;
        }

        // Set our chocolate_chip cookie
        document.cookie = "chocolate_chip=overwritten by JavaScript";

        window.location.reload();
    });
</script>