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 Detect if browser tab is active or user has switched away http://stackoverflow.com/questions/19519535/detect-if-browser-tab-is-active-or-user-has-switched-away  Currently I have this window .on blur focus function e var prevType this .data prevType if prevType e.type reduce double fire issues.. window .on blur focus function e var prevType this .data prevType if prevType e.type reduce double fire issues switch e.type .. blur focus function e var prevType this .data prevType if prevType e.type reduce double fire issues switch e.type  case blur  '.message'.. 
 How to tell if browser/tab is active [duplicate] http://stackoverflow.com/questions/1760250/how-to-tell-if-browser-tab-is-active  0 To Answer the Commented Issue of Double Fire and stay within jQuery ease of use window .on blur focus function e var prevType this .data prevType if prevType e.type reduce double fire issues switch e.type  case blur  do work  break case focus  do.. Issue of Double Fire and stay within jQuery ease of use window .on blur focus function e var prevType this .data prevType if prevType e.type reduce double fire issues switch e.type  case blur  do work  break case focus  do work  break  this .data.. of Double Fire and stay within jQuery ease of use window .on blur focus function e var prevType this .data prevType if prevType e.type reduce double fire issues switch e.type  case blur  do work  break case focus  do work  break  this .data prevType.. 
 Detect if browser tab is active or user has switched away http://stackoverflow.com/questions/19519535/detect-if-browser-tab-is-active-or-user-has-switched-away  can I detect if a user is switcing to another browser tab Currently I have this window .on blur focus function e var prevType this .data prevType if prevType e.type reduce double fire issues switch e.type  case blur  '.message' .html ' div class.. user is switcing to another browser tab Currently I have this window .on blur focus function e var prevType this .data prevType if prevType e.type reduce double fire issues switch e.type  case blur  '.message' .html ' div class alert alert error Oops... to another browser tab Currently I have this window .on blur focus function e var prevType this .data prevType if prevType e.type reduce double fire issues switch e.type  case blur  '.message' .html ' div class alert alert error Oops. You navigated.. 
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