js/src/jit-test/tests/for-of/array-iterator-keys-entries.js

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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);

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