This guide was last updated for Opera 12.00
Current browser.js status: checking... How do I enable it?enabled.
Target version and time stamp of the active browser.js file is .
Check For New Operasettings in Opera6.ini.
If you use a proxy server that requires user name and password to access the internet, please note that Opera will not request user name and password for an authenticating proxy in order to download site patches. Site patching or upgrade notification may not take place if such proxies are required, but you may be able to check for updates manually.
If you have changed settings, or changed the file itself, the browser.js feature may have become disabled.
If this doesn’t work for you, the file may be corrupted. Please follow the instructions on “checking for updates manually” in the next section.
Opera downloads the file automatically once a week, but if you want to make absolutely sure you have the latest file you can follow these steps:
Opera may tell you no new Opera version is available, but it will still check for a new version of the browser.js file.
If you want to take a closer look at the patches, or track changes to browser.js, we have a browser.js repository on GitHub. If you find a patch that isn’t working, you’re welcome to branch browser.js, modify it and send us a pull request.
There are several reasons why Opera might modify your pages. These include:
browser.js logs any amends it makes to Opera Dragonfly’s console. The log begins “Opera has modified...” and ends with the string “browser.js”.
If you think Opera is modifying your page incorrectly or unnecessarily, or if you have removed the cause of the problems, please report it in our bug tracking system or send us a pull request on GitHub.