| <!DOCTYPE html> |
| <html class="reftest-wait"> |
| <title>CSS Test: z-index - dynamic changes</title> |
| <link rel="author" title="Oriol Brufau" href="obrufau@igalia.com"> |
| <link rel="help" href="http://www.w3.org/TR/CSS21/visuren.html#z-index" /> |
| <link rel="match" href="../../reference/ref-filled-green-200px-square.html"> |
| <meta name="assert" content="Checks that z-index can be changed dynamically."> |
| <style> |
| div { |
| width: 200px; |
| height: 200px; |
| position: absolute; |
| } |
| #red { |
| background: red; |
| } |
| #target { |
| background: green; |
| z-index: -1; |
| } |
| #target.front { |
| z-index: 1; |
| } |
| </style> |
| |
| <p>Test passes if there is a filled green square and <strong>no red</strong>.</p> |
| |
| <div id="red"></div> |
| <div id="target"></div> |
| |
| <script src="/common/reftest-wait.js"></script> |
| <script src="/common/rendering-utils.js"></script> |
| <script> |
| waitForAtLeastOneFrame().then(() => { |
| document.getElementById("target").className = "front"; |
| takeScreenshot(); |
| }); |
| </script> |
| </html> |
