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