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# CacheEntry.body

The **`body`** method of the `CacheEntry` interface retrieves the cached item contents as a `ReadableStream`.

Only one stream can be active at a time for a given `CacheEntry`. An error will be thrown if a stream is already active for this `CacheEntry`.

## Syntax

```js
body(options)
```

### Parameters

- `options` _: object_ __optional__
  - `start` _: number_
    - The offset from which to start the range.
  - `end` _: number_
    - How long the range should be.

### Return value

A `ReadableStream` which contains the cached item contents.