When clicked on smart buttons it's not working

[ligena]

Before i clickAfter i click half of a secondthen becomes this O.o I wanted to create a smart button. I thought i did something wrong in codes but it's like that even when i test 

[JackieDaytona]

// Render the PayPal button into #paypal-button-container
// by David . Nugent - Using PayPal REST V2 API Last update: 05/27/2020
paypal.Buttons({

style: {
layout: 'horizontal',
color: 'gold',
shape: 'pill',
label: 'checkout',
size: 'responsive',
tagline: 'true',
},

// Set up the transaction
createOrder: function(data, actions) {
$('#paypalmsg').hide();
$('#transmsg').show();
$('#transmsg').html('<b>'+'WAITING ON AUTHORIZATION...'+'</b>');
$('#chkoutmsg').hide()
return actions.order.create({
purchase_units: [{
description: 'GnG Order',
amount: {
value: cartTotal
}
}],
application_context: {
shipping_preference: 'NO_SHIPPING'
}

});
},
/* onClick: function() { */

/* },*/

// Finalize the transaction
onApprove: function(data, actions) {
return actions.order.capture().then(function(details) {
/*return actions.order.get().then(function(orderDetails) { */
// Show a success message to the buyer
$('#transmsg').html('<b>' + 'AUTHORIZED...' + '</b>');
$('#transmsg').append('<br>'+'Transaction completed by: ' + details.payer.name.given_name +' '+ details.payer.name.surname + '<br>' + "Order Id: " + details.id + '<br>' + 'Status: PAID & APPROVED' + '<br>'+ 'Thank You For Your Order'+ '<br>');
if (details.status === "COMPLETED") {
window.setTimeout(function() {}, 500)
$('#transmsg').append('<b>' + 'Sending Order...Please Wait' + '</b>'+'<br>');
/* var getId = '#'+ $('span:contains("Market")').attr('id');
var getmrktDiv = '#'+ $(getId).offsetParent().attr('id');
var mrktchkId = '#'+ $(getmrktDiv).closest(getmrktDiv).find(".chkbox").attr('id');
var mrktpriceId = '#'+ $(getmrktDiv).closest(getmrktDiv).find(".price").attr('id');
var chkboxId = "#chk6";
var hidpriceId = "#pricef";
var marketLocation = $(mrktchkId);

if (marketLocation.length > 0 ) {
var checked = $(mrktchkId).prop('checked');
if (!checked) {
var storedVal = $(mrktpriceId).val();
if ($(mrktpriceId+':not([data-val])')) {
$(mrktpriceId).attr("data-val", storedVal);
}
$(mrktpriceId).val("");
}
} */

$('#transid').val(details.id);
$('#orderstat').val('APPROVED');
$('#orderform').submit();
}
});

if (details.error === 'INSTRUMENT_DECLINED') {
$('#transmsg').html('<b>' + 'TRANSACTION WAS DECLINED'+'</b>');
$('#transmsg').fadeIn('slow').delay(3000).fadeOut('slow', function() {
$('#paypalmsg').show();
$('#chkoutmsg').show();
$('#transmsg').empty();
});

return actions.restart();
};
},

onCancel: function(data) {
$('#transmsg').html('<b>' + 'YOUR TRANSACTION WAS CANCELLED' + '</b>');
$('#transmsg').fadeIn('slow').delay(3000).fadeOut('slow', function() {
$('#paypalmsg').show();
$('#chkoutmsg').show();
$('#transmsg').empty();
});
}

}).render('#paypal-button-container');

[MTS_Andre]

Hi, you can start with adding the basic html code to render the button following the demo here (client side)

Remember to replace the client ID with your own one --> www.paypal.com/sdk/js?client-id=__YOUR_CLIENT_ID_HERE__