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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.
。safew官方版本下载对此有专业解读
思考它，谨慎地测试这些新工具，用几周时间，而不是五分钟就做测试以强化自己原有的信念。
Heat sensors, often installed in kitchens to avoid false alarms if you simply happen to burn the toast, generally sound when temperatures climb above roughly 50C.
A spokesperson for Birmingham Children's Trust said following a request from the family it was reviewing the decision made about support for Tilly.