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I am a web designer and I updated to firefox 19 and now my popups on my site does not work only in firefox 19. what has changed in firefox browser?

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I have a popup banner and also popup links that I have for sign-in or request info on my site using JavaScript, It always worked fine until I updated to Firefox 19. On other browsers there are no issues.

I have a popup banner and also popup links that I have for sign-in or request info on my site using JavaScript, It always worked fine until I updated to Firefox 19. On other browsers there are no issues.

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If you use specific JavaScript libraries then make sure to use the latest versions.

A good place to ask advice about web development is at the MozillaZine "Web Development/Standards Evangelism" forum.

The helpers at that forum are more knowledgeable about web development issues.
You need to register at the MozillaZine forum site in order to post at that forum.