On 5月19日, 下午6时52分, Eric <[email protected]> wrote:
> if (parent) {
> var subclass = function() { };
> subclass.prototype = parent.prototype;
> klass.prototype = new subclass;
> parent.subclasses.push(klass);
> }
>
> How to understand these codes ?
If I was the author, I will new parent directly and assign it to
klass.prototype.
So why use usbclass as broker ?
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