Underscore.JS some方法

_.some(list, predicate, [context])

var _ = require('underscore');

var list = [1, 2, 3, 5]
//Example 1. check if any number is even
var result = _.some(list, function(num) { return (num % 2 == 0) });
console.log(result);

list = [1, 3, 5]
//Example 2. check if any number is even
var result = _.some(list, function(num) { return (num % 2 == 0) });
console.log(result);

>node tester.js

true
false