href with Javascript: strange experience

Ueli — Fri, 30 Aug 2024 20:24:26 GMT

I created a page with a large DIV inside a small one, with a scroll bar. I have added a link that calls Javascript to set the scroll position to 0. I present here sample code with 2 links for the same purpose. With Chrome, both of them work. With Firefox only the first one works. The second has a surprising effect: It wipes out the page and shows a 0.

I would appreciate if someone enlightened could comment what the W3 specification says about href with Javascript in general and about the effect I observe with href2 in Firefox, but not in Chrome.

Here is the sample code:

<!DOCTYPE html>
<html>
<head>
<script>
let smallContainer;
function fOnload() { smallContainer = document.getElementById('smallContainer');
fSetScrollPos(250);
}
function fSetScrollPos(pos) { smallContainer.scrollTop = pos; }
</script>
</head>

</body>
</html>

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href with Javascript: strange experience