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.
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Watch: Astronauts return to Earth after extended stay in Space
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Greater Than (2): Everything in this space must be greater than 2. The answer is 4-4, placed vertically.。关于这个话题，heLLoword翻译官方下载提供了深入分析
It was only a matter of time. Indeed by week two of the extension’s public release on GitHub, he had patched the vulnerability.