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15 lines
401 B
JavaScript
15 lines
401 B
JavaScript
'use strict';
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module.exports = function () {
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var arr = [1, 'foo'], iterator, result;
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if (typeof arr.keys !== 'function') return false;
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iterator = arr.keys();
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if (!iterator) return false;
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if (typeof iterator.next !== 'function') return false;
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result = iterator.next();
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if (!result) return false;
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if (result.value !== 0) return false;
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if (result.done !== false) return false;
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return true;
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};
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