# Helpers.rectEdges()

```ts
rectEdges(rect: Rect): RectEdges
```

The four edges of a `Rect`, as a PDF file stores them.

- Kind: static method
- Since: 1.0.0

| Parameter | Type | Description |
| --- | --- | --- |
| `rect` | `Rect` | A rectangle in page space. |

Returns `RectEdges`: `{ left, bottom, right, top }`.

```ts
if (annotation.rect) {
  const { left, bottom, right, top } = rectEdges(annotation.rect);
}
```

Part of [Helpers](https://kernstra.com/docs/web-sdk/api/helpers) in the Kernstra Web SDK 1.0.0 API reference.

Web page: https://kernstra.com/docs/web-sdk/api/helpers/rectedges