window.onload = function(){ var endpoint = document.getElementById('url').innerHTML; var env = 'ENVIRONMENT'; var page = window.location.href; if(page.includes('.us.')){ env = 'us'; } else if(page.includes('.eu.')){ env = 'eu'; } endpoint = endpoint.replace('ENV', env); if(page.includes('CSHARP')){ endpoint = '' + endpoint + ''; } document.getElementById('url').innerHTML = endpoint; }