This article introduces sample code to redirect to a specific URL after clicking the submit button on a Google Form.
 
The prerequisite is to achieve the following flow:
The same sample code as below is published at https://codenote-net.github.io/sandbox/google-form-redirect/ for testing purposes.
    Redirect after submitting Google Form 
    
    
Redirect after submitting Google Form - Stack Overflow
While the above sample code successfully redirects after Google Form submission using JavaScript processing, here are the points I find questionable:
That’s all from the Gemba on redirecting to a specific URL after clicking the submit button on a Google Form.