Chrome Extension - Autorun

javascript google-chrome-extension autorun
Jon picture Jon · Mar 28, 2012 · Viewed 11.4k times · Source

I am wondering if it is possible to automatically run my extension (or a function in my extension) each time a page loads? Right now, I have it set that you would click the icon Browser Action icon to run my extension.

Answer

Rob W picture Rob W · Mar 28, 2012

You've got two options:

  1. Inject code as a Content scripts, using the matching rules as defined in the manifest file.
  2. A background page, using the chrome.tabs.onUpdated event. Use the chrome.tabs.executeScript method to inject script.

See also:

  1. Building a Chrome extension
  2. Inject chrome browser extension content script based on URL

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