[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/b6ade4b22d4be1758761a2712668e870d3e602c7/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.