chapter12/dog2.html

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Construct some dogs</title>
<script>

function Dog(name, breed, weight) {
    this.name = name;
    this.breed = breed;
    this.weight = weight;
	this.bark = function() {
		if (this.weight > 25) {
			alert(this.name + " says Woof!");
		} else {
			alert(this.name + " says Yip!");
		}
	};
} 
var fido = new Dog("Fido", "Mixed", 38);
var fluffy = new Dog("Fluffy", "Poodle", 30);
var spot = new Dog("Spot", "Chihuahua", 10);
var dogs = [fido, fluffy, spot];

for(var i = 0; i < dogs.length; i++) {
    var size = "small";
    if (dogs[i].weight > 10) {
        size = "large";
    }
    console.log("Dog: " + dogs[i].name 
                 + " is a " + size 
                 + " " + dogs[i].breed);
}

for (var i = 0; i < dogs.length; i++) {
	dogs[i].bark();
}

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