function initPayPalButton() {
var shipping = 0;
var itemOptions = document.querySelector(“#smart-button-container #item-options”);
var quantity = parseInt(10);
var quantitySelect = document.querySelector(“#smart-button-container #quantitySelect”);
if (!isNaN(quantity)) {
quantitySelect.style.visibility = “visible”;
}
var orderDescription = ‘Choose service’;
if(orderDescription === ”) {
orderDescription = ‘Item’;
}
paypal.Buttons({
style: {
shape: ‘rect’,
color: ‘blue’,
layout: ‘vertical’,
label: ‘checkout’,

},
createOrder: function(data, actions) {
var selectedItemDescription = itemOptions.options[itemOptions.selectedIndex].value;
var selectedItemPrice = parseFloat(itemOptions.options[itemOptions.selectedIndex].getAttribute(“price”));
var tax = (6 === 0) ? 0 : (selectedItemPrice * (parseFloat(6)/100));
if(quantitySelect.options.length > 0) {
quantity = parseInt(quantitySelect.options[quantitySelect.selectedIndex].value);
} else {
quantity = 1;
}

tax *= quantity;
tax = Math.round(tax * 100) / 100;
var priceTotal = quantity * selectedItemPrice + parseFloat(shipping) + tax;
priceTotal = Math.round(priceTotal * 100) / 100;
var itemTotalValue = Math.round((selectedItemPrice * quantity) * 100) / 100;

return actions.order.create({
purchase_units: [{
description: orderDescription,
amount: {
currency_code: ‘USD’,
value: priceTotal,
breakdown: {
item_total: {
currency_code: ‘USD’,
value: itemTotalValue,
},
shipping: {
currency_code: ‘USD’,
value: shipping,
},
tax_total: {
currency_code: ‘USD’,
value: tax,
}
}
},
items: [{
name: selectedItemDescription,
unit_amount: {
currency_code: ‘USD’,
value: selectedItemPrice,
},
quantity: quantity
}]
}]
});
},
onApprove: function(data, actions) {
return actions.order.capture().then(function(details) {
alert(‘Transaction completed by ‘ + details.payer.name.given_name + ‘!’);
});
},
onError: function(err) {
console.log(err);
},
}).render(‘#paypal-button-container’);
}
initPayPalButton();

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