mirror of
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20 lines
410 B
JavaScript
20 lines
410 B
JavaScript
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function reverse(list) {
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var i=0, tmp, idx, count=list.length;
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for (; i < count; i++) {
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idx = count - i - 1;
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tmp = list[idx];
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list[idx] = list[i];
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list[i] = tmp;
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}
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}
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var start = process.hrtime();
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var i=0, N=20000000, list=Array(N);
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for (; i < N; i++) list[i] = i;
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reverse(list);
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var end = process.hrtime(start);
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var secs = (end[0] + end[1] / 1e9).toFixed(6) + 's';
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console.log('elapsed:', secs);
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