> npm install -g nodemon

console.log('Start app.');

const _  = require('lodash');
判斷是否為字串
console.log(_.isString(true));
console.log(_.isString("abc"));

//篩選重複陣列
var filteredArray = _.uniq(['Jonson'
 
,1,'Jonson',1,2,3,4]);
console.log(filteredArray);

> nodemon app.js

[nodemon] 1.18.6
[nodemon] to restart at any time, enter `rs`
[nodemon] watching: *.*
[nodemon] starting `node app.js`
Start app.
false
true
[ 'Jonson', 1, 2, 3, 4 ]
 

var filteredArray = _.uniq(['Jonson',1,'Jonson',1,2,3,4]);
替換為：
var filteredArray = _.uniq(['Jonson',1,'Jonson',1]);

[nodemon] clean exit - waiting for changes before restart
[nodemon] restarting due to changes...
[nodemon] starting `node app.js`
 

Start app.
false
true
[ 'Jonson', 1 ]