Javascript Question: Part 1 Design a Pet object. A Pet is created with a language argument string and a stomach represented by an array. The Pet should support functions: eat() and speak(). Use the prototype property to define your object's interface. eat(food) will store the passed argument into its stomach and return what it has eaten thus far. speak(sentence) will simply return the passed in phrase. function Pet(language) { // create stomach // set language } // takes a food_item STRING and returns everything eaten so far ARRAY Pet.prototype.eat = function(food_item) { // ... complete } // takes in a sentence STRING and returns the passed in sentence STRING with no change Pet.prototype.speak = function(sentence) { // ... complete } You may also use the newer class notation. Part 2 Create an object, Dog, that implements the Pet interface and takes the same argument language. Dogs eat the same way all pets do. Dogs speak differently. Dogs replace each word in a sentence with its only known language, "woof". For example, if the sentence is "I like bones", the speak() method will turn it into "woof woof woof". Part 3 Implement at least two test cases to make sure your Dog object is correctly implementing the Pet interface with its own override functions (if applicable). You may use the assert() method. The test code can live in the same file and should create an instance of a Dog object in order to test. // your code from part 1 and 2 var dog = new Dog(...); // tests he

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Javascript Question:

Part 1

Design a Pet object. A Pet is created with a language argument string and a stomach represented by an array. The Pet should support functions: eat() and speak(). Use the prototype property to define your object's interface.

eat(food) will store the passed argument into its stomach and return what it has eaten thus far.

speak(sentence) will simply return the passed in phrase.

function Pet(language) {
// create stomach
// set language
}

// takes a food_item STRING and returns everything eaten so far ARRAY
Pet.prototype.eat = function(food_item) {
// ... complete
}

// takes in a sentence STRING and returns the passed in sentence STRING with no change
Pet.prototype.speak = function(sentence) {
// ... complete
}

You may also use the newer class notation.

Part 2

Create an object, Dog, that implements the Pet interface and takes the same argument language.

Dogs eat the same way all pets do.
Dogs speak differently. Dogs replace each word in a sentence with its only known language, "woof". For example, if the sentence is "I like bones", the speak() method will turn it into "woof woof woof".

Part 3

Implement at least two test cases to make sure your Dog object is correctly implementing the Pet interface with its own override functions (if applicable). You may use the assert() method. The test code can live in the same file and should create an instance of a Dog object in order to test.

// your code from part 1 and 2

var dog = new Dog(...);

// tests here

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