What Is the Effect of the Join Statement in the Following

What is the effect of the join statement in the following code
Var theArray1 = [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];
Var theArray2 = [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];
Var value = theArray1.join( " " ) ;

A) The join method will concatenate the values of theArray2 to theArray1.
B) The join method will concatenate the values of theArray1 to theArray2.
C) The join method will create a string from the values in theArray1.
D) The join method will create a string with the values of theArray2 concatenated to the values of theArray1.