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Duplicate attribute: class in edge and IE #3929

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tdekoning opened this issue Oct 13, 2016 · 6 comments
Closed

Duplicate attribute: class in edge and IE #3929

tdekoning opened this issue Oct 13, 2016 · 6 comments

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@tdekoning
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tdekoning commented Oct 13, 2016 •
edited

Vue.js version

2.0.2

Reproduction Link

http://codepen.io/anon/pen/WGyrdz

Steps to reproduce

Just load up the page in edge or internet explorer (11) with your console open. Vue will display the warning "duplicate attribute: class".
When removing the class attribute, the warning goes away.

What is Expected?

No warnings :). I expect vue to use both the regular class attribute and the :class attribute and merge them together into the class attribute.
@yyx990803
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Actually it's IE that messed up outerHTML by duplicating the attribute :(
I've just disabled this warning for IE.

@tdekoning
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Thanks!

@jdalton
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jdalton commented Nov 8, 2016 •
edited

I'm not able to repro this.

In the simplified test case class and :class show up in the attributes list of
IE11, Edge 14, & Chrome 54.

@Kcharle
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Kcharle commented Mar 30, 2017

As @jdalton said, this is still an issue in Edge 14.

@posva
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posva commented Mar 31, 2017

@Kcharle Could you open a new issue with a repro, please? I'm not sure to understand. Does this mean we can remove the check?

@nirazul nirazul mentioned this issue Apr 7, 2017
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@Yangfan2016
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I‘m meeting this too

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6 participants
@jdalton @yyx990803 @posva @tdekoning @Kcharle @Yangfan2016