POST request with saved credentials after page redirect.

I have created a page on wix. Inside of this page I have created "embedded HTML code" (if I correctly translated from russian).
Inside of this HTML code, I want to write JS code which
1. Gets the login from input tag.
2. Gets password from input tag.
3. Goes the the another site.
4. Make POST submit request with the  login and password which has been retrieved above.

It seems to me, at the step 3 it goes to another location and so the 4-th step is never run.
Should I assume such analogue that, redirection to another page is like returning from function?
Nusrat NuriyevAsked:
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COBOLdinosaurCommented:
You cannot post data on a re-direct. You need to have a  form an do a submit, however you may runinto security issues if you go cross-domain.  I am pretty sure that you are going to fail to solve this.  Most certainly you will fail from a limited environment like WIX that really does not have any kind of real professional level support for advance web development.

If you had a real website, it might be possible to accomplish something that looks like what you are trying to do, but it is not something that is going to come about easily.

Cd&
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