'this' the same as 'a'. Your declaration of b is weird lead to an error,
because EventEmitter.prototype is an object.
Am Freitag, 5. September 2014 05:27:26 UTC+2 schrieb Jazear Brooks:
>
> Consider the following function assignment:
>
> var EventEmitter = require("events").EventEmitter;
>
> EventEmitter.prototype.once = function(type, callback) { var that = this;
>
> this.on(type, function listener() {
> that.removeListener(type, listener);
> callback.apply(that, arguments);
>
>
> }); };
>
> Also consider the following two variables:
>
> var a = new EventEmitter
> var b = new EventEmitter.prototype
>
>
> Does the `this` on line 5 of the first code section refer to variables a,
> b, or both? Is variable b even declared legally?
>
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