WebwinkelKeur widget language detect
A prove of concept of the WebwinkelKeur widget detecting the language of the page using plain javascript
by Marcel Landeweerd
HTML
<html lang="de-de">
</html>
JavaScript
var language = document.getElementsByTagName("html")[0].getAttribute("lang");
if (!language) { language='nl'; }
document.write('<iframe src="https://dashboard.webwinkelkeur.nl/webshops/widget_html?id=1&layout=new_default&theme=dark&color=%23ec008b&show=yes&view=slider&amount=6&width=manual&width_amount=280px&height=250px&interval=5000&language='+language+'" scrolling="no" class="wwk-widget-iframe wwk-widget--new_default wwk-widget--new_default--dark" style="border: 0; height: 250px!important; width: 280px!important;"></iframe>');