| <!DOCTYPE html> | |
| <style type="text/css"> | |
| #target { | |
| background-color: black; | |
| width: 100px; | |
| height: 100px; | |
| } | |
| </style> | |
| <script> | |
| function onLoad() { | |
| var element = document.getElementById('target'); | |
| var animation = element.animate( | |
| {opacity: ['0', '1']}, | |
| {duration: Infinity, iterationStart: 4.75}); | |
| } | |
| </script> | |
| <body onload="onLoad()"> | |
| <div id="target"></div> | |
| </body> |