nodejs渐入佳境[4]-第三方包

> npm install --save lodash

console.log('Start app.');

const _  = require('lodash');
判断是否为字符串
console.log(_.isString(true));
console.log(_.isString("abc"));

//筛选重复数组
var filteredArray = _.uniq(['Jonson',1,'Jonson',1,2,3,4]);
console.log(filteredArray);

> node app.js

Start app.
false
true
[ 'Jonson', 1, 2, 3, 4 ]