1 TypeError: obj.func is not a function

     2 TypeError: arr[0].func is not a function

     3 TypeError: obj.func is not a function

     4 TypeError: arr[0].func is not a function

     5 TypeError: obj.foo is not a function

     6 TypeError: obj.foo is not a function

     7 TypeError: v is not a function

     8 TypeError: v is not a function