Underscore.JS last方法

_.last(array, [n])

var _ = require('underscore');

var list = [1, 2, 3, 4, 5, 6]
//Example: get last element
result = _.last(list);
console.log(result)

//Example: get last 3 elements
result = _.last(list, 3);
console.log(result)

>node tester.js

6
[ 4, 5, 6 ]