boolean_script.js

// V4 Boolean.
// todoList.addTodo should add object.
// todoList.changeTodo should change the todoText property.
// todoList.toggleCompleted should change the completed property.

var todoList = {
  todos: [], // 1. It should store the todos arrays on an object
  displayTodos: function(){
    console.log('My Todos: ', this.todos)
  },
  addTodos: function(todoText){ // Chp no: 1 todoList.addTodo should add object.
    this.todos.push({ // addTodos will push an object rather then a single string
      todoText: todoText, // Our Todo
      completed: false // Status saying by default it is yet to be completed
    });
    this.displayTodos();
  },
  changeTodo: function(pos, todoText) { // Chp no: 2 todoList.changeTodo should change the todoText property.
    this.todos[pos].todoText = todoText;
    this.displayTodos();
  },
  deleteTodo: function(pos) {
    this.todos.splice(pos, 1);
    this.displayTodos();
  },
  toggleCompleted: function(pos){ // Chp no: 3 todoList.toggleCompleted should change the completed property.
    var todo = this.todos[pos];
    todo.completed = !todo.completed;
    this.displayTodos();
  }
}