---
title: slice
framework: WebKit JS
role: symbol
role_heading: Instance Method
platforms: [safari desktop 10.0+, safari mobile 10.0+]
path: webkitjs/blob/1634508-slice
---

# slice

## Declaration

```data
Blob slice(
    optional long long start, 
    optional long long end, 
    optional DOMString? contentType
);
```