| <!DOCTYPE html> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <title>CSS Test: CSS media query width equals window innerWidth</title> |
| |
| <link rel="author" title="Jinfeng Ma" href="mailto:[email protected]"> |
| <link rel="help" href="https://www.w3.org/TR/css3-mediaqueries/#width"> |
| <link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-window-innerwidth"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <!-- |
| It'd be best to programmatically change device scale factor so that the document |
| width becomes non integral but for now this test is only effective when run on |
| devices with a fractional device scale factor. |
| --> |
| <script type="text/javascript"> |
| 'use strict'; |
| test(() => { |
| assert_true(window.matchMedia('(width: ' + window.innerWidth + 'px)').matches); |
| }, 'CSS media query width equals window innerWidth.'); |
| </script> |
