関連ワード:  javascript check if object is specific type    javascript check if object is type of class    javascript check if object is type    javascript check if object is type of interface    javascript check if object is of type date    js check if object is of type date    javascript check if object is of custom type    javascript check if object is instance of type    javascript test if object is of type    javascript check for object type  
結果 : javascript check if object is specific type