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.
优衣库：3 月 9 日开售，推出供给六个款式的 T 恤（成人、童装各有两款独占版本）；
。业内人士推荐Line官方版本下载作为进阶阅读
US Department of Homeland Security
2026-02-27 12:00:00