Friends of the Georgetown Public Library Please enter a description Payment or Donation USD Please enter a price Payment Please enter an Invoice ID function initPayPalButton() { var description = document.querySelector(' -button-container '); var amount = document.querySelector(' -button-container '); var descriptionError = document.querySelector(' -button-container '); var priceError = document.querySelector(' -button-container '); var invoiceid = document.querySelector(' -button-container '); var invoiceidError = document.querySelector(' -button-container '); var invoiceidDiv = document.querySelector(' -button-container '); var elArr = [description, amount]; if (invoiceidDiv.firstChild.innerHTML.length > 1) { invoiceidDiv.style.display = "block"; } var purchase_units = []; purchase_units[0] = {}; purchase_units[0].amount = {}; function validate(event) { return event.value.length > 0; } paypal.Buttons({ style: { color: 'gold', shape: 'rect', label: 'checkout', layout: 'vertical', }, onInit: function (data, actions) { actions.disable(); if(invoiceidDiv.style.display === "block") { elArr.push(invoiceid); } elArr.forEach(function (item) { item.addEventListener('keyup', function (event) { var result = elArr.every(validate); if (result) { actions.enable(); } else { actions.disable(); } }); }); }, onClick: function () { if (description.value.length < 1) { descriptionError.style.visibility = "visible"; } else { descriptionError.style.visibility = "hidden"; } if (amount.value.length < 1) { priceError.style.visibility = "visible"; } else { priceError.style.visibility = "hidden"; } if (invoiceid.value.length < 1 && invoiceidDiv.style.display === "block") { invoiceidError.style.visibility = "visible"; } else { invoiceidError.style.visibility = "hidden"; } purchase_units[0].description = description.value; purchase_units[0].amount.value = amount.value; if(invoiceid.value !== '') { purchase_units[0].invoice_id = invoiceid.value; } }, createOrder: function (data, actions) { return actions.order.create({ purchase_units: purchase_units, }); }, 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(' -button-container'); } initPayPalButton();
