css-transitions-1/transition-property-021.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Transitions Test: transition-property - left</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<link rel="author" title="Shiyou Tan" href="mailto:shiyoux.tan@intel.com">
<link rel="help" title="7.1. Properties from CSS" href="http://www.w3.org/TR/css3-transitions/#animatable-css">
<meta name="flags" content="interact">
<meta name="assert" content="Test checks that the 'left' property is animatable.">
<style>
  #test {
    background-color: blue;
    height: 100px;
    left: 10px;
    position: relative;
    transition-duration: 4s;
    transition-property: left;
    transition-timing-function: linear;
    width: 100px;
  }
</style>
<body>
  <p>Click the blue square inside the box with black border below. Test passes if the blue square moves gradually not immediately from left to right until it stops.</p>
  <div id="test"></div>
  <script>
    (function() {
      var test = document.querySelector("#test");
      test.addEventListener("click", function(evt) {
        test.setAttribute("style", "left: 400px;");
      }, false);
    })();
  </script>
</body>