h->ref = 0;
据界面新闻消息，来自西安的向律师春节期间使用腾讯元宝 App 生成拜年海报时，竟收到含辱骂文字的图片。
，这一点在91视频中也有详细论述
// Define the side effect, but don't run it yet。关于这个话题，51吃瓜提供了深入分析
content bytea NOT NULL,
This is a well-known browser security technique. In JavaScript, calling .toString() on a native browser function returns "function appendBuffer() { [native code] }". Calling it on a JavaScript function returns the actual source code. So if your appendBuffer has been monkey-patched, .toString() will betray you; it’ll return the attacker’s JavaScript source instead of the expected native code string.