jkup · October 13, 2016 07:31
diff --git a/copyWithinEx2.js b/copyWithinEx2.js
 [1, 2, 3, 4, 5, 6, 7, 8].copyWithin(0, 3);
 // copies the values from index 3 to the end of the array ( 4, 5, 6, 7, 8 )
 // plays them in place on the array starting at 0 ( value 1 )
 // returns [4, 5, 6, 7, 8, 6, 7, 8]
	[1, 2, 3, 4, 5, 6, 7, 8].copyWithin(0, 3);
	// copies the values from index 3 to the end of the array ( 4, 5, 6, 7, 8 )
	// plays them in place on the array starting at 0 ( value 1 )
	// returns [4, 5, 6, 7, 8, 6, 7, 8]