| <!DOCTYPE html> | 
 | <meta charset=utf-8> | 
 | <title>Element style is updated when the Animation's effect is update</title> | 
 | <link rel="help" href="http://w3c.github.io/web-animations/#set-the-target-effect-of-an-animation"> | 
 | <script src="../resources/testharness.js"></script> | 
 | <script src="../resources/testharnessreport.js"></script> | 
 |  | 
 | <div id='element'></div> | 
 |  | 
 | <script> | 
 | var element = document.getElementById('element'); | 
 |  | 
 | test(function() { | 
 |     var animation = element.animate([{left: '0px'}, {left: '100px'}], 10); | 
 |     assert_equals(getComputedStyle(element).left, '0px'); | 
 |  | 
 |     var effect = animation.effect | 
 |     animation.effect = null; | 
 |     assert_equals(getComputedStyle(element).left, 'auto'); | 
 |  | 
 |     animation.effect = effect; | 
 |     assert_equals(getComputedStyle(element).left, '0px'); | 
 | }, 'Element style updated after clear and set effect'); | 
 |  | 
 | </script> |