ComboBox in IE 10/11 be focus

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2. 
   
   
   

   
   

   
   

   ComboBox in IE 10/11 be focus

   
   

   
   

   ComboBox in IE 10/11 be focus

   
   
   
   

   
   

   Ext version: 5.1.0.107
   

   Browser: IE 10/11

   
   

   while i create a ComboBox with a value, the ComboBox will be focus after it was rendered

   
   

   demo: http://ift.tt/1326fZR

   
   

   How can i resolve this problem.
   
   thanks in advance

   
   

   
   

   
   

   
   

   
   

   
   
   
   

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ComboBox in IE 10/11 be focus