<html> <head> <script> const params = window .location .search .slice(1) .split("&") .map(p => p.split("=")) .reduce((obj,[key,value]) => ({ ...obj, [key]: decodeURIComponent(value) }), {} ); const course = params["course"]; if(course != undefined) { window.location.replace("courses/"+(params["course"])); } else { window.location.replace("."); } </script> </head> </html>