mirror of
https://github.com/thangisme/notes.git
synced 2024-06-16 08:15:29 +00:00
21 lines
483 B
JavaScript
21 lines
483 B
JavaScript
|
var isIndex = require('./_isIndex');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The base implementation of `_.nth` which doesn't coerce arguments.
|
||
|
|
*
|
||
|
|
* @private
|
||
|
|
* @param {Array} array The array to query.
|
||
|
|
* @param {number} n The index of the element to return.
|
||
|
|
* @returns {*} Returns the nth element of `array`.
|
||
|
|
*/
|
||
|
|
function baseNth(array, n) {
|
||
|
|
var length = array.length;
|
||
|
|
if (!length) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
n += n < 0 ? length : 0;
|
||
|
|
return isIndex(n, length) ? array[n] : undefined;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = baseNth;
|