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window.open()

Click the above button and look at the URL of the newly-opened tab. This will reveal what is used to parse URLs in window.open()

history.pushState()

Click the above button and check the below text area to see what the resulting URL is. This will reveal what is used to parse URLs in pushState()

You should probably reload the page after this to reset things before running further tests.

history.replaceState()

Click the above button and check the below text area to see what the resulting URL is. This will reveal what is used to parse URLs in replaceState()

You should probably reload the page after this to reset things before running further tests.