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I would like to make changes to the about:config property of dom.allow and set it to true/false through javascript. Is there any way we can handle that?


Basically, I need to access the properties that are accessed by about:config using javascript in my application.

Additional System Details


  • User Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.17 (KHTML, like Gecko) Chrome/24.0.1312.57 Safari/537.17

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alco 18 solutions 141 answers

Hi dhavaldange,
maybe this article is of some help: User.js file

alco 18 solutions 141 answers

Also, have a look here: A brief guide to Mozilla preferences