jQuery代码中没有问题这是因为您提出了跨域请求。尝试以这种方式使用 https://www.***.com/watch?v=EPSjxg4Rzs8

there is no issue in jQuery code this is because you made a cross origin request. try to use in this way https://www.***.com/watch?v=EPSjxg4Rzs8