Underscore.JS isArray（判断是否为数组的方法）

_.isArray(argument)

var _ = require('underscore');

//Example 1: Check if argument passed is an array
var result = _.isArray({ name : 'Sam'});
console.log(result);

//Example 2: Check if argument passed is an array
result = _.isArray([1, 2, 3 ]);
console.log(result);

>node tester.js

false
true