[API reference](https://evolu.dev/docs/api-reference) › [@evolu/web](https://evolu.dev/docs/api-reference/web) › installOneTabSharedWorkerPolyfill

```ts
function installOneTabSharedWorkerPolyfill(): void;
```

Defined in: [Worker.ts:35](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/web/src/Worker.ts#L35)

Installs a one-tab SharedWorker polyfill backed by a Web Worker.

Use it before constructing a SharedWorker in browsers without native
SharedWorker support.