<!DOCTYPE html>
<html><head><meta charset="utf-8">
<title>CSS Transitions Test: transition-timing-function - 'step-end' equivalent to 'steps(1, end)'</title>
<link href="http://www.intel.com" rel="author" title="Intel">
<link href="mailto:shiyoux.tan@intel.com" rel="author" title="Shiyou Tan">
<link href="http://www.w3.org/TR/css3-transitions/#transition-timing-function" rel="help" title="2.3. The 'transition-timing-function' Property">
<meta content="interact" name="flags">
<meta content="The 'transition-timing-function' property set 'step-end' is equivalent to 'steps(1, end)'" name="assert">
<style>
  div {
    height: 100px;
    transition: width 2s;
    width: 100px;
  }
  #test1 {
    background-color: blue;
    transition-timing-function: step-end;
  }
  #test2 {
    background-color: yellow;
    transition-timing-function: steps(1, end);
  }
</style>
</head><body>
  <p>Click the 'Start' button. Test passes if the width growth of blue square is <strong>equivalent</strong> to the yellow square.</p>
  <div id="test1"></div>
  <div id="test2"></div>
  <button>Start</button>
  <script>
    (function() {
      var button = document.querySelector("button");
      button.addEventListener("click", function(evt) {
        var test1 = document.querySelector("#test1"),
            test2 = document.querySelector("#test2");
        test1.setAttribute("style", "width: 300px");
        test2.setAttribute("style", "width: 300px");
      }, false);
    })();
  </script>

</body></html>