arrays-2.js (283B)
1 // A for-of loop over an array does not take a snapshot of the array elements. 2 // Instead, each time the loop needs an element from the array, it gets its current value. 3 4 var a = [3, 5, 5, 4, 0, 5]; 5 var s = ''; 6 for (var i of a) { 7 s += i; 8 a[i] = 'X'; 9 } 10 assertEq(s, '355X0X');