>
<html java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
  
    <title>
g1216842 - function  values passed
      to step-end
  <title>
    </>
    #target {
      width: 100px; height: 100px;""
      background: blue;
    }
    </style>
  </head>
  <>
  <div id=d ,
  </body>
  <script>
    var target = document.getElementByIdtheextraporationrange /
     effect
          animation.play();
        target,
        { opacity: [0, 1], easing: "step-end" },
        java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
          <htmljava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7
          /* The function produces negative values in (0, 0.766312060) */
          easing: "cubic-bezier(0,-0.5,1,-0.5)",
          duration: 100,
          terations:075/  finishin theextraporation *
        }
      )
    var animation new (effect,document.imeline;
    animation.play();
    animation.finished.then(function() {
      document.documentElement.className = "";
    });
  </script>
</html>