| <!DOCTYPE html> |
| <html> |
| |
| <head> |
| <meta charset="utf-8"> |
| <title> CSS Scroll Snap 2 Test: scroll-start-*</title> |
| <link rel="help" href="https://drafts.csswg.org/css-scroll-snap-2/#scroll-start"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| |
| <body> |
| <style> |
| :root { |
| scroll-start: 10vh 200px; |
| } |
| |
| .spacer { |
| width: 200vw; |
| height: 200vh; |
| border: solid 1px green; |
| } |
| </style> |
| <div class="spacer"></div> |
| <script> |
| promise_test(async (t) => { |
| assert_equals(window.scrollX, 200, |
| "scroll-start: <length> sets initial scroll position"); |
| assert_equals(window.scrollY, 0.1 * window.innerHeight, |
| "scroll-start: <length> sets initial scroll position"); |
| }, "scroll-start sets the initial scroll position of the document"); |
| </script> |
| </body> |
