---
title: update
framework: webkitjs
role: symbol
role_heading: Instance Method
path: webkitjs/domapplicationcache/1632530-update
---

# update

Manually triggers the update process.

## Declaration

```data
void update();
```

## See Also

### Updating the Cache

- [add](webkitjs/domapplicationcache/1804703-add.md)
- [swapCache](webkitjs/domapplicationcache/1633375-swapcache.md)