What is Custom JavaScript for Websites 2?

Custom JavaScript for Websites 2 is a Chrome extension developed by xcv58, and its main feature is "Run custom JavaScript on any website.".

Extension Screenshots

Download Custom JavaScript for Websites 2 Extension CRX File

Download Custom JavaScript for Websites 2 extension files in crx format, manually install Chrome extensions in the browser, or share the crx files with friends to easily install Chrome extensions.

Extension Usage Instructions

Run custom JavaScript on any website. Use this tool to inject custom JavaScript in any website.

Your scripts are kept by the Chrome sync API and applied across domain URLs. You can inject custom JavaScript based on domain or custom Regular Expression (since v3.1.1).

This extension supports dedicated tab to edit your codes since v2.5.1

You can use some built-in libraries such as
* jQuery 1.12.4
* jQuery 2.2.4
* jQuery 3.2.1
* Indefinite Observable 1.0.1
* MooTools 1.6.0

or/and your own external scripts.

Use cases:

* Site debugging (wrong list sort, etc.)
* Extract useful information from website, such as billings/orders metadata
* Hide annoying popups and Ads
* Custom UI
* Anything you can think of :)

Inject large JavaScript: https://github.com/xcv58/Custom-JavaScript-for-Websites-2#how-do-i-inject-large-javascript

New features:

Ace Editor (formating, highlight, undo/redo by hotkeys)
Draft auto save (so doesn't matter when you close the window without saving)
Hosts (websites) switch (you can browse customjs of other websites)
Include external script (eq. Underscore.js is cool)
Thanks to:

Ace - http://ace.c9.io/
Pure - http://purecss.io/

Extension Basic Information

Name	Custom JavaScript for Websites 2
ID	ddbjnfjiigjmcpcpkmhogomapikjbjdk
Official URL	https://chromewebstore.google.com/detail/custom-javascript-for-web/ddbjnfjiigjmcpcpkmhogomapikjbjdk
Description	Run custom JavaScript on any website.
File Size	588 KB
Installation Count	52,311
Current Version	3.4.12
Last Updated	2023-02-20
Publish Date	2020-04-28
Rating	4.37/5 Total 118 Ratings
Developer	xcv58
Email	[email protected]
Payment Type	free
Extension Website	https://github.com/xcv58/Custom-JavaScript-for-Websites-2
Help Page URL	https://github.com/xcv58/Custom-JavaScript-for-Websites-2/issues
Supported Languages	en
manifest.json
{ "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx", "description": "Run custom JavaScript on any website.", "version": "3.4.12", "manifest_version": 2, "name": "Custom JavaScript for Websites 2", "short_name": "customjs", "author": "xcv58", "minimum_chrome_version": "52.0.2743", "icons": { "16": "icon-16.png", "19": "icon-19.png", "32": "icon-32.png", "38": "icon-38.png", "48": "icon-48.png", "128": "icon-128.png" }, "background": { "scripts": [ "background.js" ], "persistent": false }, "content_scripts": [ { "all_frames": true, "js": [ "run.js" ], "matches": [ "" ] } ], "web_accessible_resources": [ ".css", "base.js" ], "browser_action": { "default_icon": "icon-48.png", "default_popup": "popup.html" }, "content_security_policy": "script-src 'self' 'unsafe-eval' https:\/\/.googleapis.com https:\/\/gitcdn.link https:\/\/cdnjs.cloudflare.com; object-src 'self'", "permissions": [ "storage", "http:\/\/\/", "https:\/\/\/", "tabs" ] }