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I wanted to optimize my page loads recently so I switched from regular javascript files to ones that are minimized. They all work fine except for this one jquery.ui files. When I switched my ui file to one that's minimized, I get an error in chrome's javascript console that reads:

Uncaught TypeError: Cannot read property 'safari' of undefined

I'm not sure why I'm getting this error because before I switched from the regualar jquery.ui to the minimized one, it was working just fine.

Thanks,

Lance

I wanted to optimize my page loads recently so I switched from regular javascript files to ones that are minimized. They all work fine except for this one jquery.ui files. When I switched my ui file to one that's minimized, I get an error in chrome's javascript console that reads:

Uncaught TypeError: Cannot read property 'safari' of undefined

I'm not sure why I'm getting this error because before I switched from the regualar jquery.ui to the minimized one, it was working just fine.

Thanks,

Lance

  • javascript
  • jquery
  • jquery-ui
Share Improve this question edited Apr 25, 2016 at 12:40 Aldracor 2,1811 gold badge20 silver badges28 bronze badges asked Feb 18, 2013 at 12:53 LanceLance 4,83016 gold badges55 silver badges90 bronze badges 2
  • 1 Are you using the correct version for you jQuery version? Which one are you using? – Felix Kling Commented Feb 18, 2013 at 12:56
  • @FelixKling 1.9.1, while jQuery UI is 1.8.9. – VisioN Commented Feb 18, 2013 at 13:04
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3 Answers 3

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The answer is that in jQuery 1.9 property $.browser was removed.

You should update your minimized jQuery UI to be patible with new version of jQuery.

REF: jQuery.browser: Javascript Uncaught TypeError

You're using jQuery 1.9.1, which no longer includes the jQuery.browser property. You'll either need to switch back to an older version of jQuery (< 1.9), or use the migrate plugin.

jQuery UI is referencing $.browser, which is undefined. Your minimized UI file is clearly for use with an older version of jQuery .

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