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fix #9042, #7138: handle empty placeholder case in IE #9297

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merged 3 commits into from Feb 4, 2019
Merged

fix #9042, #7138: handle empty placeholder case in IE #9297

merged 3 commits into from Feb 4, 2019

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nciont
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@nciont nciont commented Jan 9, 2019

What kind of change does this PR introduce? (check at least one)

  • Bugfix
  • Feature
  • Code style update
  • Refactor
  • Build-related changes
  • Other, please describe:

Does this PR introduce a breaking change? (check one)

  • Yes
  • No

If yes, please describe the impact and migration path for existing applications:

The PR fulfills these requirements:

If adding a new feature, the PR's description includes:

  • A convincing reason for adding this feature (to avoid wasting your time, it's best to open a suggestion issue first and wait for approval before working on it)

Other information:
Before this fix, the workaround for #9042 was to provide null or false value instead of empty string: :placeholder="placeholder || null".
The fix from #7138 was incomplete as it did not account for the case when placeholder attribute exists but is empty and the bug is not triggered in IE.
A new test case ensures the first triggered event does not get blocked.

@yyx990803
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yyx990803 commented Feb 4, 2019

Thanks for the fix! When investigating this I also noticed that the bug actually only applies to <textarea> and not <input>... so this should fix #9383 as well

@yyx990803 yyx990803 merged commit 0fb03b7 into vuejs:dev Feb 4, 2019
Lostlover pushed a commit to Lostlover/vue that referenced this pull request Dec 10, 2019
…9297)

- the original bug in vuejs#7138 only happens for `<textarea>`
- the bug doesn't happen if placeholder has empty value

fix vuejs#9042, fix vuejs#9383
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2 participants