> ## Documentation Index
> Fetch the complete documentation index at: https://bruno-a6972042-api-docs-release.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Scripting

Bruno allows you to write JavaScript code before sending a request (Pre-request) and after receiving a response (Post-response). Use scripts to generate dynamic data, manipulate requests, parse responses, and set variables.

* [Request Methods](/testing/script/javascript-reference#request)
* [Response Methods](/testing/script/javascript-reference#response)
* [Bruno Utilities](/testing/script/javascript-reference/#environments)

<img src="https://mintcdn.com/bruno-a6972042-api-docs-release/rqLrX2W9K9r_L5Wo/images/screenshots/script/scripting.webp?fit=max&auto=format&n=rqLrX2W9K9r_L5Wo&q=85&s=4f61f77ae161da58bc4421be18f14c36" alt="bru lang sample" width="2472" height="924" data-path="images/screenshots/script/scripting.webp" />