Service Worker
method that enables applications to take advantage of persistent background processing, including hooks to enable bootstrapping of web applications while offline
en-GB/ˈsɜːvɪs ˈwɜːkə/
en-US/ˈsɝvɪs ˈwɝkɚ/
method that enables applications to take advantage of persistent background processing, including hooks to enable bootstrapping of web applications while offline