bosr

'use strict';

var Teacher = function (data) {
  this.name = data.name;
  this.greet = function (studentCnt) {
    let promise = new Promise(function (resolve, reject) {
      if (studentCnt === 0) {
        reject('Zero students in class');
      } else {
        resolve(`Hello to ${studentCnt} of my favorite students!`);

bosr

'use strict';

let widgets = ['widget1', 'widget2', 'widget3', 'widget4', 'widget5'];

let [a, b, c, ...d] = widgets;

console.log(a); // logs widget1
console.log(b); // logs widget2
console.log(d); // logs ['widget4', 'widget5']