Capture Esc event while video in Fullscreen ( Javascript ):

Solution : 

    IMP: Firefox/Chrome/Safari (Not tested in IE)
            
           var timer, myVideo = _V_("<video tag id>");
           $(window).resize(function (e) {  
               clearTimeout(timer);      
               timer = setTimeout( function(){
                                                     if (myVideo.isFullScreen) {          
                                                                       //Fullscreen Mode 
                                                      } else {
                                                                       //Back from Fullscreen Mode                                                                     }   
                             }, 100);
           });


Note :  _V_ is VideoJs attribute.