// 易错点3:忘记stack.length判断 → 访问stack[-1]会报错
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,这一点在safew官方下载中也有详细论述
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.。夫子是该领域的重要参考
in computers, and companies like NCR and Diebold had substantial market,推荐阅读旺商聊官方下载获取更多信息