Bootstrap 3 Modal: how to check if modal is open or closed using jquery/javascript -

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Can someone please tell me how to check the bootstrap 3.0 modal status, whether it is open using jQuery or Javascript or Closed. I use the following code, but when you open a model for a time, it works, otherwise data gives insufficient error. 

  if ($ ('# addMemberModal'). Data ('bsmodal') .isShown == true) {console.log ("the model is open"); }    
 
 
 You can use jQuery directly like this:  < Pre>.  $ ('# myModal') is (': visible');

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