columnCount.html (919B)
1 <!DOCTYPE html> 2 <script src="/resources/testharness.js"></script> 3 <script src="/resources/testharnessreport.js"></script> 4 <div id='container'> 5 <div id='element'></div> 6 </div> 7 <script> 8 9 var container = document.getElementById('container'); 10 var element = document.getElementById('element'); 11 12 test(function() { 13 var keyframes = [ 14 {columnCount: 'inherit'}, 15 {columnCount: '6'} 16 ]; 17 18 container.style.columnCount = 'auto'; 19 var player = element.animate(keyframes, 20); 20 21 player.pause(); 22 player.currentTime = 5; 23 assert_equals(getComputedStyle(element).columnCount, 'auto'); 24 25 container.style.columnCount = '2'; 26 assert_equals(getComputedStyle(element).columnCount, '3'); 27 28 player.currentTime = 10; 29 container.style.columnCount = '8'; 30 assert_equals(getComputedStyle(element).columnCount, '7'); 31 }, 'column-count responsive to inherited column-count changes'); 32 </script>