![[求助] python 如何爬取 网页上调用JS函数打开的视频链接](/aiimages/%5B%E6%B1%82%E5%8A%A9%5D+python+%E5%A6%82%E4%BD%95%E7%88%AC%E5%8F%96+%E7%BD%91%E9%A1%B5%E4%B8%8A%E8%B0%83%E7%94%A8JS%E5%87%BD%E6%95%B0%E6%89%93%E5%BC%80%E7%9A%84%E8%A7%86%E9%A2%91%E9%93%BE%E6%8E%A5.png)
解决方法：
一、首先打开浏览器，然后单击右上角的小齿轮，在出现的对话框中，选择“Internet选项”以打开设置选项。
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二、然后在弹出的“Internet选项设置”页面中单击“安全”，点击“单击”默认级别“。
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三、把ACTIVE选项下的各个选项都设为启用。
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四、单击“默认级别”后，单击右下角的“应用”。
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五、切换回“高级”选项卡并勾选前两项“禁用脚本调试（InternetExplorer）”和“禁用脚本调试（其他）”。
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六、完成挂钩后，单击右下角的“应用”，即可。
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答：首先要截获检测函数的动态代码，动态执行js代码有两种方法，一是eval，二是function。现在很多网站都上了各种前端反爬手段，无论手段如何，最重要的是要把包含反爬手段的前端javascript代码加密隐藏起来，然后在运行时实时解密动态执行。
动态执行js代码无非两种方法，即eval和Function。那么，不管网站加密代码写的多牛，我们只要将这两个方法hook住，即可获取到解密后的可执行js代码。
注意，有些网站会检测eval和Function这两个方法是否原生，因此需要一些小花招来忽悠过去
