<!doctype html>

<title>client* on the scrolling element</title>

<meta charset="utf-8">

<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1">

<link rel="help" href="https://drafts.csswg.org/cssom-view/#extension-to-the-element-interface">

<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1654769">

<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">

<link rel="author" title="Mozilla" href="https://mozilla.org">

<script src=/resources/testharness.js></script>

<script src=/resources/testharnessreport.js></script>

<style>

:root {

/* Ensure the width of the root element's box is smaller than the viewport. */

margin: 5px;

/* Remove the scrollbars so that we can test {Width, Height}. */

scrollbar-width: none;

/* Would love to add a border but https://github.com/w3c/csswg-drafts/issues/5363 */

}

</style>

<div style="height: 200vh; width: 200vw"></div>

<script>

test(function() {

scrollTo(100, 100);

assert_equals(document.documentElement.clientTop, 0, "Client top doesn't depend on scrolling");

assert_equals(document.documentElement.clientLeft, 0, "Client left doesn't depend on scrolling");

assert_equals(document.documentElement.clientWidth, window.innerWidth, "Without scrollbars, client width should match viewport width");

assert_equals(document.documentElement.clientHeight, window.innerHeight, "Without scrollbars, client height should match viewport height");

}, "client* properties on the root element");

</script>