LayoutTests/cssom/subpixel-offsetleft-top-width-height-values.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <title>This tests that offset* and client* can return fractional values.</title>
 <style>
 div {
   position: fixed;
   border-style: solid;
   border-color: red;
 }
 </style>
 </head>
 <body>
 <script>
   if (window.testRunner)
     testRunner.dumpAsText();

   var container = document.body;
   w = 0;
   h = 0;
   adjustment = 0.1;
   for (i = 0; i < 20; ++i) {
     adjustment+=0.1;
     for (j = 0; j < 20; ++j) {
       var e = document.createElement("div");
       e.style.top = (w * i + j * adjustment) + "px";
       e.style.left = (w * j + i * adjustment) + "px";
       e.style.width = w + "px";
       e.style.height = h + "px";
       e.style.borderWidth = adjustment/4 + "px";
       container.appendChild(e);
       w+=0.1;
       h+=0.1;
     }
   }

   var result = "";
   var divs = document.getElementsByTagName("div");
   for (i = 0; i < divs.length; ++i) {
     var element = divs[i];
     result+="offsetTop:" + element.offsetTop.toFixed(2) + " offsetLeft:" + element.offsetLeft.toFixed(2) + " offsetWidth:" + element.offsetWidth.toFixed(2) + " offsetHeight:" + element.offsetHeight.toFixed(2) + "</br> clientTop:" + element.clientTop.toFixed(2) + " clientLeft:" + element.clientLeft.toFixed(2) + " clientWidth:" + element.clientWidth.toFixed(2) + " clientHeight:" + element.clientHeight.toFixed(2) + "</br>";
   }
   document.body.innerHTML = result;
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>This tests that offset* and client* can return fractional values.</title>
	<style>
	div {
	position: fixed;
	border-style: solid;
	border-color: red;
	}
	</style>
	</head>
	<body>
	<script>
	if (window.testRunner)
	testRunner.dumpAsText();

	var container = document.body;
	w = 0;
	h = 0;
	adjustment = 0.1;
	for (i = 0; i < 20; ++i) {
	adjustment+=0.1;
	for (j = 0; j < 20; ++j) {
	var e = document.createElement("div");
	e.style.top = (w * i + j * adjustment) + "px";
	e.style.left = (w * j + i * adjustment) + "px";
	e.style.width = w + "px";
	e.style.height = h + "px";
	e.style.borderWidth = adjustment/4 + "px";
	container.appendChild(e);
	w+=0.1;
	h+=0.1;
	}
	}

	var result = "";
	var divs = document.getElementsByTagName("div");
	for (i = 0; i < divs.length; ++i) {
	var element = divs[i];
	result+="offsetTop:" + element.offsetTop.toFixed(2) + " offsetLeft:" + element.offsetLeft.toFixed(2) + " offsetWidth:" + element.offsetWidth.toFixed(2) + " offsetHeight:" + element.offsetHeight.toFixed(2) + "</br> clientTop:" + element.clientTop.toFixed(2) + " clientLeft:" + element.clientLeft.toFixed(2) + " clientWidth:" + element.clientWidth.toFixed(2) + " clientHeight:" + element.clientHeight.toFixed(2) + "</br>";
	}
	document.body.innerHTML = result;
	</script>
	</body>
	</html>