<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang="en"> <head> </head> <body> <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>