Exercise 7.3

Chapter 7/Exercise 7.3

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+class Animal {
+    constructor(species, sounds) {
+        this.species = species;
+        this.sounds = sounds;
+    }
+    speak() {
+        console.log(this.species + " " + this.sounds);
+    }
+}
+Animal.prototype.eat = function () {
+    return this.species + " is eating";
+}
+let cat = new Animal("cat", "meow");
+let dog = new Animal("dog", "bark");
+cat.speak();
+console.log(dog.eat());
+console.log(dog);