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20 行
483 B
20 行
483 B
var isIndex = require('./_isIndex');
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/**
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* The base implementation of `_.nth` which doesn't coerce arguments.
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*
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* @private
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* @param {Array} array The array to query.
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* @param {number} n The index of the element to return.
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* @returns {*} Returns the nth element of `array`.
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*/
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function baseNth(array, n) {
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var length = array.length;
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if (!length) {
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return;
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}
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n += n < 0 ? length : 0;
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return isIndex(n, length) ? array[n] : undefined;
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}
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module.exports = baseNth;
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