Head-First-JavaScript-Programming/chapter13/dog3.html at master · naderdev/Head-First-JavaScript-Programming

61 lines (50 loc) · 1.02 KB

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Barnaby gets to sit</title>
<script>
function Dog(name, breed, weight) {
	this.name = name;
	this.breed = breed;
	this.weight = weight;
}

Dog.prototype.species = "Canine";

Dog.prototype.bark = function() { 
	if (this.weight > 25) {
		console.log(this.name + " says Woof!"); 
	} else {
		console.log(this.name + " says Yip!"); 
	}
};

Dog.prototype.run = function() {
	console.log("Run!"); 
};
Dog.prototype.wag = function() {
	console.log("Wag!"); 
};

var fido = new Dog("Fido", "Mixed", 38);
var fluffy = new Dog("Fluffy", "Poodle", 30); 
var spot = new Dog("Spot", "Chihuahua", 10);

spot.bark = function() {
	console.log(this.name + " says WOOF!");
};

fido.bark(); 
fido.run(); 
fido.wag();

fluffy.bark(); 
fluffy.run(); 
fluffy.wag();

spot.bark(); 
spot.run(); 
spot.wag();

var barnaby = new Dog("Barnaby", "Basset Hound", 55);
Dog.prototype.sit = function() {
	console.log(this.name + " is now sitting");
}
barnaby.sit();

</script>
</head>
<body>
</body>
</html>

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