transition-property-031-manual.html (1083B)
1 <!DOCTYPE html> 2 <meta charset="utf-8"> 3 <title>CSS Transitions Test: transition-property - opacity</title> 4 <link rel="author" title="Intel" href="http://www.intel.com"> 5 <link rel="author" title="Shiyou Tan" href="mailto:shiyoux.tan@intel.com"> 6 <link rel="help" href="https://drafts.csswg.org/web-animations-1/#animation-type"> 7 <link rel="help" href="https://drafts.csswg.org/css-color-3/#transparency"> 8 <meta name="assert" content="Test checks that the 'opacity' property is animatable."> 9 <style> 10 #test { 11 background-color: red; 12 height: 100px; 13 opacity: 1; 14 transition-duration: 2s; 15 transition-property: opacity; 16 transition-timing-function: linear; 17 width: 100px; 18 } 19 </style> 20 <body> 21 <p>Click the red square below. Test passes if the red square blurs gradually not immediately until it disappears.</p> 22 <div id="test"></div> 23 <script> 24 (function() { 25 var test = document.querySelector("#test"); 26 test.addEventListener("click", function(evt) { 27 test.setAttribute("style", "opacity: 0;"); 28 }, false); 29 })(); 30 </script> 31 </body>