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I found a strange behavior with the value of an input element (e.target.value) when it contains "nl@". All german umlauts after that will be transformed to something strange.

Examples:

nl@ü => nl@xn--tda
aanlaaa@u => aanlaaa@xn--tda
ünl@ü => ünl@ü
nl@dksdü => nl@xn--dksd-3ra

I prepared a litle codepen where you can tests it yourself and also explained the quirks a little bit more.

Codepen Example

Does someone have an idea why this behavior occurs?

Christoph Fricke
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  • Could only reproduce on chrome, doesn't happen on firefox. – ASDFGerte Sep 12 '18 at 10:43
  • Any character before the `@` sign appears to cause this. I suggest you file a bug to Chromium – vsync Sep 12 '18 at 10:44
  • High I've found this thread which may help: https://stackoverflow.com/questions/15121359/are-international-characters-e-g-umlaut-characters-valid-in-the-local-part-of – t3__rry Sep 12 '18 at 10:45

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