What EP51-Zake doesn’t understand

1,

//OperatorFunctionk
      ,>
export declare function bufferWhen<T> (closingSelector: () => Observable<any>) :OperatorFunction<T.T[] >;

Copy the code

2,

// A third party library should be written like this.
var Runoob;  
(function(Runoob) {
    var Calc = (function () { 
        function Calc() { 
        } 
    })
    Calc.prototype.doSum = function (limit) {
        var sum = 0; 
 
        for (var i = 0; i <= limit; i++) { 
            sum = sum + i; 
        }
        return sum; 
    }
    Runoob.Calc = Calc; 
    return Calc; 
})(Runoob || (Runoob = {})); 
var test = new Runoob.Calc();
Copy the code

Placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholder placeholders Placeholders placeholders