[Webkit-unassigned] [Bug 81880] New: A "touchmove" event relevant bug of iOS 5.1's Safari

Thu Mar 22 00:58:57 PDT 2012

https://bugs.webkit.org/show_bug.cgi?id=81880

           Summary: A "touchmove" event relevant bug of iOS 5.1's Safari
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
        OS/Version: Other
            Status: UNCONFIRMED
          Severity: Blocker
          Priority: P5
         Component: Event Handling
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: weilou.happy at gmail.com

Run codes below on iOS 5.1's Safari:

<!DOCTYPE html>
<meta charset="utf-8">
<title>An HTML5 Document</title>
<style>
    div:nth-child(1) {
        background: yellow;
        width: 400px;
        height: 300px;
    }
    div:nth-child(2) {
        background: red;
        width: 400px;
        height: 300px;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch; /* Can't be run! Bug! */
    }
</style>
<div>
    Click me!
</div>
<div>
    Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!<br>Scroll down me!
</div>
<div>
    So you can click on the first div element. It's OK. But you can't scroll down the 2nd div's contents via touch move on iOS 5.1's Safari. This is a bug.
</div>
<script>
    document.addEventListener('click', function (event) {
        event.preventDefault();
    }, false);
    document.querySelector('div:nth-child(1)').addEventListener('click', function () {
        alert('Clicked successfully!');
    }, false);

    document.addEventListener('touchmove', function (event) {
        event.preventDefault();
    }, false);
</script>

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