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22 lines
506 B
22 lines
506 B
exports = function(arr, start, end) {
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var len = arr.length;
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if (start == null) {
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start = 0;
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} else if (start < 0) {
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start = Math.max(len + start, 0);
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} else {
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start = Math.min(start, len);
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}
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if (end == null) {
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end = len;
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} else if (end < 0) {
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end = Math.max(len + end, 0);
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} else {
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end = Math.min(end, len);
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}
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var ret = [];
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while (start < end) ret.push(arr[start++]);
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return ret;
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};
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module.exports = exports;
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