---
name: "up.layer.history"
area: "API"
kind: "JavaScript property"
parent: "up.layer module"
url: "https://unpoly.com/api/up.layer.history"
---
<nav aria-label="Unpoly docs">[All docs](https://unpoly.com/index.md) · [up.layer module](https://unpoly.com/api/up.layer.md)</nav>

# up.layer.history

Whether the [current layer](https://unpoly.com/api/up.layer.current.md) has [visible history](https://unpoly.com/learn/history-in-overlays.md).

When it does, fragment updates within the layer can change the browser's address bar and window title.

This is a shortcut for `up.layer.current.history`. See [`up.Layer#history`](https://unpoly.com/api/up.Layer.prototype.history.md) for more documentation.

<nav aria-label="Guides">

- [Learn: History in overlays](https://unpoly.com/learn/history-in-overlays.md)

</nav>

---

## Value {#value}

### history {#history}

Whether this layer has visible history.

Type: boolean