This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Hierdie gesprek is in die argief. Vra asseblief 'n nuwe vraag as jy hulp nodig het.

Detect whether an add-on is installed

  • 2 antwoorde
  • 2 hierdie probleem
  • 6 views
  • Laaste antwoord deur cor-el

Burgaz
Burgaz
more options

Hi,

Is there a way to detect in Java Script whether a certain add-on is installed? if so, can you please share a code example?

Thanks, B.

Hi, Is there a way to detect in Java Script whether a certain add-on is installed? if so, can you please share a code example? Thanks, B.

All Replies (2)

gnittala
gnittala
more options

A quick search resulted in these links, please check if these help you

  1. Using navigator.plugins
  2. Check if addon is installed or not
  3. Check if Firefox addon is installed on SO
  4. contentaccessible on MDN

Please check if any of the above help you in your query.

Thank you

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

That is not possible for security and privacy reasons.

  • Bug 292789 - SCRIPT tags can access chrome