Underscore.JS every方法

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

var _ = require('underscore');

var list = [2, 4, 6]
//Example 1. check if all numbers are even
var result = _.every(list, function(num) { return (num % 2 == 0) });
console.log(result);

list = [1, 2, 4, 6]
//Example 2. check if all numbers are even
var result = _.every(list, function(num) { return (num % 2 == 0) });
console.log(result);

>node tester.js

true
false