array-iterator-keys-entries.js (500B)
1 // array.keys() returns an iterator over the index of elements 2 // and array.entries() returns an iterator that yields pairs [index, element]. 3 4 load(libdir + "iteration.js"); 5 6 var data = [1, 2, 3, "abc"]; 7 8 var ki = data.keys(); 9 for (var i = 0; i < data.length; i++) 10 assertIteratorResult(ki.next(), i, false); 11 assertIteratorDone(ki, undefined); 12 13 var ei = data.entries(); 14 for (var i = 0; i < data.length; i++) 15 assertIteratorResult(ei.next(), [i, data[i]], false); 16 assertIteratorDone(ei, undefined);