method Qworum.checkAvailability Qworum.checkAvailability() Checks that: the Qworum browser extension is installed and running, and the website's DNS domain is part of Qworum's Service Web. Examples Check Qworum availability in browser: try{ await Qworum.checkAvailability(); }catch(error){ console.error('Qworum browser extension not installed or not enabled.'); } Return Type