//lame
if (type === 'aligator')
{
aligatorBehavior();
}
else if (type === 'parrot')
{
parrotBehavior();
}
else if (type === 'dolphin')
{
dolphinBehavior();
}
else if (type === 'bulldog')
{
bulldogBehavior();
}
else
{
throw new Error('Invalid animal ' + type);
}
//better
var types = {
aligator: aligatorBehavior,
parrot: parrotBehavior,
dolphin: dolphinBehavior,
bulldog: bulldogBehavior
};
var func = types[type];
if (!func) throw new Error('Invalid animal ' + type);
func();