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.
Москвичей предупредили о резком похолодании09:45
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СюжетУказ Путина о введении военного положения в новых регионах。关于这个话题，搜狗输入法2026提供了深入分析
Цены на нефть взлетели до максимума за полгода17:55
We have tried in good faith to reach an agreement with the Department of War, making clear that we support all lawful uses of AI for national security aside from the two narrow exceptions above. To the best of our knowledge, these exceptions have not affected a single government mission to date.