Lodash nth method
语法：
Gets all but the last element of array.
参数
array (Array) − The array to query.
[n=0] (number) − The index of the element to return.
输出：
(*) − Returns the nth element of array.
实例：
var _ = require('lodash');
var list = [1, 2, 3, 2, 5, 6, 2];
var result = _.nth(list,2)
console.log(result);
var result = _.nth(list,3)
console.log(result);
Save the above program in
tester.js. Run the following command to execute this program.
命令：
输出：
