---
title: Sides
summary: Pixel or percentage values for each side of an image.
url: https://www.fastly.com/documentation/reference/compute/sdks/javascript/js-compute/image-optimizer/interface.Sides/
---

**Kind:** Interface  
**Module:** [image-optimizer](https://www.fastly.com/documentation/reference/compute/sdks/javascript/js-compute/image-optimizer/)  
**Package:** @fastly/js-compute 4.0.1  
**Source:** https://github.com/fastly/js-compute-runtime/blob/70cf30af4e657879b2d1e7eafab880e39e3a3f7d/types/image-optimizer.d.ts#L60

Pixel or percentage values for each side of an image.

## Properties

### top

**Type:** `number | Percentage`  
**Source:** https://github.com/fastly/js-compute-runtime/blob/70cf30af4e657879b2d1e7eafab880e39e3a3f7d/types/image-optimizer.d.ts#L61

### bottom

**Type:** `number | Percentage`  
**Source:** https://github.com/fastly/js-compute-runtime/blob/70cf30af4e657879b2d1e7eafab880e39e3a3f7d/types/image-optimizer.d.ts#L62

### left

**Type:** `number | Percentage`  
**Source:** https://github.com/fastly/js-compute-runtime/blob/70cf30af4e657879b2d1e7eafab880e39e3a3f7d/types/image-optimizer.d.ts#L63

### right

**Type:** `number | Percentage`  
**Source:** https://github.com/fastly/js-compute-runtime/blob/70cf30af4e657879b2d1e7eafab880e39e3a3f7d/types/image-optimizer.d.ts#L64