chromium/third_party/blink/web_tests/external/wpt/css/css-transitions/transition-timing-function-010-manual.html

<!DOCTYPE html>
<meta charset="utf-8">
<title>CSS Transitions Test: transition-timing-function - steps(2)</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<link rel="author" title="Shiyou Tan" href="mailto:[email protected]">
<link rel="help" href="https://www.w3.org/TR/css-transitions-1/#transition-timing-function-property">
<meta name="assert" content="Test checks that the first parameter of 'steps()' function specifies the number of intervals.">
<style>
  div {
    background-color: blue;
    height: 100px;
    transition-duration: 1s;
    transition-property: width;
    transition-timing-function: steps(2);
    width: 100px;
  }
</style>
<body>
  <p>Click the blue square. Test passes if the width of blue square grows <strong>twice</strong>.</p>
  <div></div>
  <script>
    (function() {
      var div = document.querySelector("div");
      div.addEventListener("click", function(evt) {
        div.setAttribute("style", "width: 300px");
      }, false);
    })();
  </script>
</body>