javascript - How does the page get the redirected url?

Question

I recently encountered a problem, window.location.href='url', and then I found that the url redirected to another address. Can I prevent the execution of window.location.href? I only need to get the redirection. Then the parameters in the url.

Answer 1

Page switching will trigger window.onunload You can just stop it inside

At the same time, your new url is a value assigned in your code, there is no such thing as acquisition. You know your code itself, right?