Is there a static equivalent of instanceof? I.E., rather than: obj1 instanceof Type something like: TypeA instanceof TypeB? I couldn't find anything on the matter, so I hacked together this: function InstanceOf(type,parent) { do{ if(type === parent) return true;} while(type…
So I tested this code: class C1 {} C1.prototype. f =function(){ return 1 } class C2 extends C1 {} C2.prototype. f =function(){ return super.f()+1 } And it throws a syntax error: 'super' keyword unexpected here. But if I do: C2.prototype.…
I have an unusual situation where I need to dynamically generate a class prototype then have a reflection tool (which can't be changed) walk the prototype and find all the methods. If I could hard code the methods, the class…
I have a following code: const myFunc = () => { let var1, var2, var3; const setVar1 = (val) => { var1 = val } return { setVar1 } } Can you please tell me how this pattern is called(I…