8 lines
186 B
JavaScript
8 lines
186 B
JavaScript
'use strict';
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module.exports = function () {
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var arr = [1, 2, 3, 4, 5, 6];
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if (typeof arr.fill !== 'function') return false;
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return String(arr.fill(-1, -3)) === '1,2,3,-1,-1,-1';
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};
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