Javascript function scroll to top (0,0) possible

Hello
I found a way for javascript history back `javascript.history.back()

or only one step back history.go()-1 (wihtout javascript)!!

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but how to empliment a scroll to (0,0 ) ?
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look to w3schools: Window scrollTo() Method

W3schools they also have a larger javascript possibility to scroll to the top

but the javascript need to be on all pages… I only want it in the button !!!
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thanks to find a solution to have a button thats scroll to (coordinate)
Karel

my project
https://preview.webflow.com/preview/rossebuurten?utm_medium=preview_link&utm_source=designer&utm_content=rossebuurten&preview=7b05b4fb18401abb278db6454113d692&pageId=5e185412d27bcf236f00a6ba&mode=preview