I've been reading some articles on change detection, and all of them say that monomorphic functions are much faster than polymorphic. For example, here is a quote:     (..)The reason for that is, that it has to be written in a dynamic way, so   i...
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I am designing some class hierarchy in JavaScript. It works fine so far, but I can't see how to determine if an object is an "instance" of a parent class. Example:  function BaseObject(name){     this.name = name;      this.sayWhoAmI = fu...
I have read some possible article I could found on the internet on polymorphism. But I think I could not quite grasp the meaning of it and its importance. Most of the articles don't say why it is important and how I can achieve polymorphic behavi...
Please have a look on this code:  class Greeter {     greeting: string;     constructor(message: string) {         this.greeting = message;     }     greet() {         return "Hello, " + this.greeting;     } }  class Ge extends Greeter {...
I have a list of items. An item can be a number of things, let's say the list is something like so :  [userObject , vehicleObject , userObject , animalObject , animalObject]   Now I want to render the list with ngRepeat directive that will use a...
My client-side code gets a JSON 'object' from the server, and then parses it. The parsed object contains a 'type' property, which should control the class of the object.  $.getJSON("foo.json").done(function(data, textStatus, x...
I've been working with Church encoding recently and when I look at a typical type  newtype ChurchMaybe a =   ChurchMaybe { runChurchMaybe :: forall r . r -> (a -> r) -> r }   it looks as if functions with an existential type (runChurchMa...
Conceptually, my app has an interface and many objects that implement the interface in different ways.  The objects will be created by various factory methods, and there will be more factories in future as my app evolves.  For example  var Shapes={};...
I'm practicing polymorphism in JavaScript (first time trying) based on different examples I've found online. I know that in other languages I can access the variables of the super class from the extended one and am wondering how to do this co...

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