stale-scrollbar-client-crash.html [plain text]
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<p><b>BUG ID:</b> <a href="rdar://problem/5523503">rdar://problem/5523503</a> Safari crashes clicking scroll bar in FaceBook 'Trips'</p>
<p id="test" style="background-color:skyblue; padding:3px;"><b>STEPS TO TEST:</b>
Drag the scroll thumb in each of the vertical scrollbars below.
</p>
<p id="success" style="background-color:palegreen; padding:3px;"><b>TEST PASS:</b>
Each scrollbar will disappear when clicked, along with the box containing it, but the browser will not crash as you continue to drag.
</p>
<p id="failure" style="background-color:#FF3300; padding:3px;"><b>TEST FAIL:</b>
The scrollbar will disappear and Safari will crash as you continue dragging.
</p>
<div style="height: 120px;">
<div id="overflow" style="overflow: auto; height: 100px; width: 100px; background-color: lightblue;">
<div style="height: 200px;"></div>
</div>
</div>
<div>
<select multiple="true" id="listbox" style="height: 100px; width: 100px;">
<option>One</option>
<option>Two</option>
<option>Three</option>
<option>Four</option>
<option>Five</option>
<option>Six</option>
<option>Seven</option>
<option>Eight</option>
<option>Nine</option>
<option>Ten</option>
</select>
</div>
<script>
var overflow = document.getElementById("overflow");
var listbox = document.getElementById("listbox");
function mousedown(event)
{
if (event.target.id)
setTimeout(event.target.id + '.style.display = "none"', 0);
}
overflow.addEventListener("mousedown", mousedown, false);
listbox.addEventListener("mousedown", mousedown, false);
</script>
</body>
</html>