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minor fixes

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Ilya Kantor 2020-05-27 14:42:30 +03:00
parent 8c5fa3a871
commit d36675ed33
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6-data-storage/03-indexeddb/article.md
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@ -125,7 +125,9 @@ In order to organize that, the `versionchange` event triggers in such case on th
If we don't listen to `versionchange` event and don't close the old connection, then the second, new connection won't be made. The `openRequest` object will emit the `blocked` event instead of `success`. So the second tab won't work. If we don't listen to `versionchange` event and don't close the old connection, then the second, new connection won't be made. The `openRequest` object will emit the `blocked` event instead of `success`. So the second tab won't work.
Here's the code to correctly handle the parallel upgrade: Here's the code to correctly handle the parallel upgrade.
It installs `onversionchange` handler after the database is opened, that closes the old connection:
```js ```js
let openRequest = indexedDB.open("store", 2); let openRequest = indexedDB.open("store", 2);