HTML Refresher and Detailed Study - Part 10
Last updated on 26 May 2026 Minor update on 6 June 2026 Post series: Part 1 , Prev Part (9) , Next Part (11) , Post Series TOC Contents (sections and/or jump-links) Private GitHub repo folder for advanced version uppercase Echo Chat server: adv-uppercase-echo-chat Stage 6 Background Sync API (Offline Sending) Server refactor Initial Code Changes for Stage 6 Background Sync API Server refactor ws library Server method port and server parameters Testing stage 6 server with POST requests using VS Code "REST Client" Extension and PowerShell Invoke-RestMethod Stage 6 Background Sync API Client refactor Initial suggested code changes for Stage 6 Background Sync API Client refactor Background Sync API limited availability - Not supported on Firefox and Safari register method for sync is functionally different from register for Service Worker Duplicate register calls for sync are ignored MDN documentation for Ba...