Underscore.JS propertyOf方法

_.propertyOf(object)

var _ = require('underscore');

var student = {name: 'Sam', age: 10}

// Example: Get name of student
var getProperties = _.propertyOf(student);
console.log(getProperties('name'));

// Example 2: Get age of student
console.log(getProperties('age'));

>node tester.js

Sam
10