[Solved] how to change sites contents Using Chrome Extension ? (Example) [closed]

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take a look at this: http://code.google.com/chrome/extensions/content_scripts.html

You can add javascript scripts and css stylesheets to a page to change the content.

good luck!

an example to change the background of www.google.com:
you create a .css file with:

body{
  background-color:black;
  }

when you made the .css file, add this to manifest.json:

"content_scripts": [
  {
    "matches": ["http://www.google.com/*"],
    "css": ["[name].css"]
  }
],

matches means it will be added to any website that begins with http://www.google.com/ because of the ‘*’.

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solved how to change sites contents Using Chrome Extension ? (Example) [closed]