[Webkit-unassigned] [Bug 35302] New: Worker error events do not have their message, filename, and lineno fields properly set

Tue Feb 23 09:48:14 PST 2010

https://bugs.webkit.org/show_bug.cgi?id=35302

           Summary: Worker error events do not have their message,
                    filename, and lineno fields properly set
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebCore JavaScript
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: atwilson at chromium.org
                CC: dimich at chromium.org, jianli at chromium.org

If you get an error from trying to load a non-existent script, the resulting
ErrorEvent does not have its message, filename, or lineno fields set - I
expected that at least the message field would be set.

Fail case: put this in a file and load it up in a browser - note that there's
no message field, which makes it hard for developers to figure out why their
worker script isn't loading.

<body>
<script>
  var worker = new Worker("foobar.js");
  worker.onerror = function(event) {
    var a = "";
    for (x in event) {
      a += x + ": " + event[x] + "\n";
    }
    alert(a);
  }
</script>
</body>

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