follow site In simple terms, Interfaces provide code contracts which all classes that implement the interface have to follow.
source site Following is a simple example for a typescript interface and a class implementing the interface.
class Dog implements IAnimal
return 'Bow bow';
var dog = new Dog();
dog.legs = 4;
http://www.backclinicinc.com/?jixer=sito-web-dove-poter-effettuare-operazioni-con-le-opzioni-binarie&b16=ae The above code sample creates an interface named IAnimal which has a property and a function which all animals have. The class Dog implements from this Interface and has to provide definition for the property and the function.