関連ワード:  typescript determine if object is array    typescript check if object is array    typescript check if object is array of type    typescript check if object is array of strings    typescript check if item is array    typescript check if object is empty array    typescript check if object array contains value    typescript check if object in array has property    typescript check if object exists in array    typescript check if object exists in array by property  
結果 : typescript determine if object is array