migrates everything from ipip's branch

apps/temp-docs/docs/javascript/removeallsubscriptions.mdx

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+---
+id: removeallsubscriptions
+title: "removeAllSubscriptions()"
+slug: removeallsubscriptions
+custom_edit_url: https://github.com/supabase/supabase/edit/master/web/spec/supabase.yml
+---
+
+import Tabs from '@theme/Tabs';
+import TabsPanel from '@theme/TabsPanel';
+
+Removes all subscriptions and disconnects the Websocket connection.
+
+<Tabs
+  defaultActiveId="js"
+  groupId="reference/supabase-js"
+  values={[{ label: 'JavaScript', value: 'js' }]}>
+
+<TabsPanel id="js" label="js">
+
+```js
+supabase.removeAllSubscriptions()
+```
+
+
+</TabsPanel>
+
+</Tabs>
+
+
+
+
+
+## Notes
+
+- Removing subscriptions is a great way to maintain the performance of your project's database. Supabase will automatically handle cleanup 30 seconds after a user is disconnected, but unused subscriptions may cause degradation as more users are simultaneously subscribed.
+
+
+
+
+
+
+
+
+
+
+## Examples
+
+### Removes all subscriptions
+
+
+
+<Tabs
+  defaultActiveId="js"
+  groupId="reference/supabase-js"
+  values={[{ label: 'JavaScript', value: 'js' }]}>
+
+<TabsPanel id="js" label="js">
+
+```js
+supabase.removeAllSubscriptions()
+```
+
+
+</TabsPanel>
+
+</Tabs>