In Testing Side Effects Without the Side Effects, we explored a JavaScript Effect System where business logic doesn’t execute actions directly. Instead, it returns a description of what it intends to do in the form of a simple Command object. For example:
Global flags: --host, --api-key, -u/--username, -v/--verbose
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在官方助力下，關於這個潮流的中國民間討論聲量也逐漸提高。，这一点在服务器推荐中也有详细论述
But the triumphance of V3 is in the addSourceBuffer hook which solves a subtle problem. In earlier versions, hooking SourceBuffer.prototype.appendBuffer at the prototype level had a vulnerability in that if fermaw’s player cached a direct reference to appendBuffer before the hook was installed (i.e., const myAppend = sourceBuffer.appendBuffer; myAppend.call(sb, data)), the hook would never fire. The player would bypass the prototype entirely and call the original native function through its cached reference.