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1. prova_flash prova_flash Public

   Teste de admissão

   Dart

2. semana-js-expert semana-js-expert Public

   JavaScript 1

3. CursoRocketseatJava CursoRocketseatJava Public

   Course on JAVA development

   Java

4. A modern-ish SW registration script,... A modern-ish SW registration script, detecting various state changes.

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   if ('serviceWorker' in navigator) {

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     window.addEventListener('load', async function() {

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       const registration = await navigator.serviceWorker.register('/service-worker.js');

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       if (registration.waiting && registration.active) {

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         // The page has been loaded when there's already a waiting and active SW.

5. Stuff I wish I'd known sooner about ... Stuff I wish I'd known sooner about service workers

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   # Stuff I wish I'd known sooner about service workers

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   I recently had several days of [extremely frustrating experiences](https://twitter.com/Rich_Harris/status/755794434403467265) with service workers. Here are a few things I've since learned which would have made my life much easier but which isn't particularly obvious from most of the blog posts and videos I've seen.

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   I'll add to this list over time – suggested additions welcome in the comments or via [twitter.com/rich_harris](https://twitter.com/rich_harris).