docs: function(a,b,beStrict){
             if(this.isArray(a) && this.isArray(b)){
              var alen = a.length, i = 0;
              if(beStrict){
               if(alen !== (b).length){ return false; }
             }
  
             for(; i < alen; i++){
               if(a[i] === undefined || b[i] === undefined) break;
               if(b[i] !== a[i]){
                return false;
                break;
              }
            }
            return true;
          }
      }