Automatically trigger stripe checkout form

gistfile1.txt

<form name="checkoutform" action="/payment" method="POST">
<input type="hidden" name="stripeToken" id="stripe_token" />
</form>

<script src="https://checkout.stripe.com/checkout.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>

<button id="customButton" style="display:none;">Purchase</button>
<script>
    var handler = StripeCheckout.configure({
    key: "YOUR_STRIPE_PUBLISHABLE_KEY",
    token: function(token, args) {
        document.getElementById("stripe_token").value = token.id;
        document.checkoutform.submit();
    }});

    var click_event = document.getElementById('customButton').addEventListener('click', function(e) {

    // Open Checkout with further options
    handler.open({
        name: "YOUR_SITE_NAME",
        description: "YOUR_ORDER_DESCRIPTION",
        amount: "ORDER_COST", // If cost is 2 USD, then value here should be 2*100=200
        currency: "USD",
        email: "USER_EMAIL",
        image: "YOUR_LOGO_PATH"
    });
    e.preventDefault();

    });

    $(window).load(function(){
    $("button#customButton").trigger('click');
    });

</script>