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Test Info:

<title>Test for pointer events with preserve-3d and clips</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<style type="text/css">
.outer {
transform-style: preserve-3d;
.container {
overflow-y: scroll;
overflow-x: hidden;
width: 200px;
height: 300px;
.content {
width: 200px;
height: 1000px;
transform-style: preserve-3d;
#container1 {
background-color: green;
transform: translateZ(2px);
#container2 {
height: 100px;
transform: translateY(-200px) translateZ(10px);
background-color: red;
<body onload="runTest();">
<div class="outer" id="outer">
<div class="container" id="container1">
<div class="content"></div>
<div class="container" id="container2">
<div class="content"></div>
<script class="testbody" type="text/javascript">
function runTest() {
var outer = document.getElementById("outer");
var x = outer.offsetLeft;
var y = outer.offsetTop;
var target = document.elementFromPoint(x + 100, y + 250);
ok(target.parentNode == document.getElementById("container1"), "Find the right target.");