<!DOCTYPE HTML>
<html><head>
    <meta charset="utf-8">
    <title>Testcases for overflow-clip-box:content-box</title>
    <style type="text/css">
        html,body {
            color:black; background-color:white; font:16px monospace; padding:0; margin:7px;
        }
    div {
      width: 100px; padding-right:50px; overflow-clip-box:padding-box;
      overflow:hidden;
    }
.rel { position:relative; }
.mask5 { position:absolute; height:40px; background:white; top:3px; left:0px; width:50px; }
    </style>
</head>
<body>

<div contenteditable=true spellcheck=false tabindex=0 id=x class="block"><span style="padding-right:50px">XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX</span></div>

<script>
var x = document.getElementById('x');
x.focus();
x.scrollLeft=100000
window.getSelection().collapse(x,1);
</script>
</body>
</html>