> ## Documentation Index
> Fetch the complete documentation index at: https://bruno-a6972042-mintlify-059d8a2f.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-mintlify-059d8a2f/u5tWnMkUnU-Cp4rB/images/screenshots/script/scripting.webp?fit=max&auto=format&n=u5tWnMkUnU-Cp4rB&q=85&s=15ac93f390502359e458654804f9a6e1" alt="bru lang sample" width="2472" height="924" data-path="images/screenshots/script/scripting.webp" />