Underscore.JS partition方法

_.partition(list, predicate)

var _ = require('underscore');

//Example: partion list of numbers being even and odd
result = _.partition([1, 2, 3, 4], function(x){return x % 2 == 0;});
console.log(result)

>node tester.js

[ [ 2, 4 ], [ 1, 3 ] ]