[Webkit-unassigned] [Bug 149257] New: Web Inspector: Option-Up doesn't increment certain attribute values

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Sep 17 05:55:47 PDT 2015


            Bug ID: 149257
           Summary: Web Inspector: Option-Up doesn't increment certain
                    attribute values
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: nvasilyev at apple.com
                CC: bburg at apple.com, graouts at webkit.org,
                    joepeck at webkit.org, mattbaker at apple.com,
                    nvasilyev at apple.com, timothy at apple.com,
                    webkit-bug-importer at group.apple.com

Created attachment 261386
  --> https://bugs.webkit.org/attachment.cgi?id=261386&action=review
[Animated GIF] Bug

1. Go to http://n12v.dev/2-way-data-binding/
2. Inspect the first video, <video width="216" height="48" poster="/2-way-data-binding/temperature-converter.png">
3. Double click on "216"
4. Press Option-Up

Value changes to "217", cursor stays where it was.

Value changes to "217", cursor stays jumps to the beginning of the text field.

An error is thrown:

    IndexSizeError: DOM Exception 1: Index or size was negative, or greater than the allowed value.
      setEnd - EditingSupport.js:267
      handleEditingResult - EditingSupport.js:267
      keyDownEventListener - EditingSupport.js:289

Note that modifying height on the very same element works as expected. Although, it causes the DOM path bar to blink.

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