<!DOCTYPE html>
<html>
<head>
<title>This tests outlines on subpixel positions</title>
<style>
  div {
    position: absolute;
    height: 5px;
    width: 5px;
    left: 1px;
    top: 1px;
    outline: solid 1px green;
  }
</style>
</head>
<body>
<p id="container"></p>
<script>
  var container = document.getElementById("container");
  var leftPos = 1;
  var topPos = 1;
  var subpixelOffset = 0;
  for (var i = 0; i < 50; ++i) {
    var e = document.createElement("div");
    e.style.left = leftPos + "px";
    e.style.top = topPos + "px";
    container.appendChild(e);
    subpixelOffset += 0.1;
    leftPos += 5 + subpixelOffset;
    topPos += 5 + subpixelOffset;
  }
</script>
</body>
</html>