JSFiddle - React, Tailwind, and code Playground

by CitizenOne

JavaScript

//'use strict';

let group = {
  title: "Наш курс",
  students: ["Вася", "Петя", "Даша"],

  showList: function() {
    this.students.forEach(function(student) {
      alert(this.title + ': ' + student); // будет ошибка
    })
  }
}

group.showList.call(group);