# CSS and Javascript Injection

- Canonical URL: https://extpose.com/ext/ckddknfdmcemedlmmebildepcmneakaa
- Title: CSS and Javascript Injection
- Short description: This plugin will remember all css/js code you injected in every website and auto-inject them when web page is loaded
- CRX ID: ckddknfdmcemedlmmebildepcmneakaa
- Store: chrome
- Store URL: https://chrome.google.com/webstore/detail/css-and-javascript-inject/ckddknfdmcemedlmmebildepcmneakaa
- Added: 2018-12-12 11:27:12.933611
- Last update timestamp: 2026-10-12 08:24:56.942652
- Languages: en
- Rating: 4.3 (80 reviews)
- Installs: 10822
- Gain 24h: 0.002686926711757621
- Gain 1 week: 0.010835045768727816
- Version: 1.0.6
- Last update: 2015-06-09 00:00:00
- Developer name: N/A
- Developer email: N/A
- Developer ID: N/A
- Site URL: N/A
- Icon URL: https://lh3.googleusercontent.com/xiKdxi28XOnJDZpLyg5O0RuP9jV92QjdJ_uy-dzmsdzCBw7Zit0yBDSCCxAcE6xEIv2KeRyQGHDnEYBnnx-ePtsJebE=w128-h128-e365-rj-sc0x00ffffff
- Image URL: https://lh3.googleusercontent.com/wsCEte5l-OLGhv94wngTASioFOorMtwqfECoIoA64lxrtfhiuf9PBnZo_S0XJnuTbvDs3gWO_vq0adrvS9meGHxL=w640-h400-e365-rj-sc0x00ffffff
- Supported languages: English
- Is malware: True
- Malware detected at: 2025-10-01 14:29:59.623853
- Featured: False
- Featured date: N/A
- In-app purchases: False
- Unlisted: False

## Description

You can inject css/javascript code to web pages with this plugin.
And it will remember the code you injected for different websites.
Finally, these code will be auto-injected next time you open the website.
The code pieces are grouped by host.

The source code is hosted in github: https://github.com/comcaptain/chrome_plugins. You can submit bugs there.

1.0.5 update:
1. fix ace editor redraw bug
2. now js will only be executed when page is loaded
3. add external css resource tab:
   urls are seperated by line
   you can use alias for url, now there's only one alias(bootstrap -> https://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css). Contact me if you have other need for alias(master@pygmalion.click)
4. now js will be executed before the page is fully rendered to avoid FOUC
5. now you can inject jquery code in pages without jquery(jquery-2.1.4)

version 1.0.6 update log:

1. guarantee injected css/js appear after original page's css/js references in head tag
2. fix updateCss execution timeline
3. fix bug: do not update css after css text is cleared