var src = "https://www.paypal.com/sdk/js?currency=EUR&client-id=AdaSL7liMnCKOcGAybdb-kAvKL7HWGwwtv5qgnPYnVKpFDLqT7vQVfV2yowOeHbAdBWscIHFg9LbHsbh&components=messages"; if(!document.querySelector('script[src="' + src + '"]')) { var script = document.createElement("script"); script.type = "text/javascript"; script.id = "paypal-installment-banner"; script.src = src; script.rel = "preload"; document.body.appendChild(script); }