var common = { esp : null , feedback : ( url ) => { ( function ( a , b , c , d , e , f ) { window [ d ] = window [ d ] || { } ; window [ d ] . _q = window [ d ] . _q || [ ] ; [ 'identify' , 'page' , 'track' , 'metadata' ] . forEach ( function ( t ) { window [ d ] [ t ] = function ( ) { var e = Array . prototype . slice . call ( arguments ) ; e . unshift ( t ) ; window [ d ] . _q . push ( e ) ; } ; } ) ; window [ d ] . init = window [ d ] . init || function ( c , n , s ) { window [ d ] . _clientId = c ; window [ d ] . _clientName = n ; window [ d ] . _configs = s || { } ; } ; window [ d ] . _url = c ; let eParam = e ; eParam = a . createElement ( b ) ; eParam . src = c ; eParam . async = 1 ; let fParam = f ; fParam = a . getElementsByTagName ( b ) [ 0 ] ; fParam . parentNode . insertBefore ( eParam , fParam ) ; } ) ( document , 'script' , url , 'esp' ) ; this . common . esp = esp ; return esp ; } , } ;