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- <!DOCTYPE html>
- <html class="reftest-wait reftest-snapshot-all reftest-no-flush" reftest-async-scroll
- reftest-async-scroll-y="200">
- <head>
- <title>Check that the apz.disable_for_sle_pages pref behaves as expected</title>
- <script>
- // Upon load, this page scrolls to (0, 100). This triggers a scroll event,
- // which runs the scroll listener below. The scroll listener updates the
- // position of the div to simulate position:fixed using a scroll-linked
- // effect. The scroll-linked effect detector should then report that the
- // document contains such an effect, which will disable APZ on the page.
- // That in turn will cause the reftest-async-scroll-y to get ignored, and
- // that's what the reftest checks for.
- addEventListener('scroll', function() {
- document.getElementById('fake-fixed').style.top = window.scrollY + "px";
- }, false);
- addEventListener('load', function() {
- window.scrollTo(0, 100);
- setTimeout(done, 0);
- }, false);
- function done() {
- document.documentElement.classList.remove('reftest-wait');
- }
- </script>
- </head>
- <body style="height: 5000px; background-image:url(repeatable-diagonal-gradient.png);">
- <div id="fake-fixed" style="position: absolute; top: 0; left: 100px; width: 100px; height: 100px; background-color: green"></div>
- </body>
- </html>
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