React: TypeError: undefined is not an object (evaluating 's.get.call') from input onChange - React 15.6.1 ReactDOM 15.6.0 on Safari 9.1.x

[ts-oogie]

Do you want to request a feature or report a bug?
A bug

What is the current behavior?
onChange onKeyUp onKeyDown causes TypeError: undefined is not an object (evaluating 's.get.call') only in Safari.

If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem via https://jsfiddle.net or similar (template: https://jsfiddle.net/ebsrpraL/).
https://codepen.io/anon/pen/rGevxK

What is the expected behavior?
Component should get event.target.value and then update the state, which in turn re-renders the h1 with new state values.

Which versions of React, and which browser / OS are affected by this issue? Did this work in previous versions of React?
It works for React 15.3.1 ReactDOM15.3.1

[gaearon]

Have you tried the latest version of React (15.6.1)?

[ts-oogie]

Yes. I have tried 15.6.1. Doesn't work properly on Safari.
I have tried 15.3.1 and it works

On Wed, Sep 20, 2017 at 9:20 AM, Dan Abramov [e-mail]
wrote:

Have you tried the latest version of React (15.6.1)?

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[gaearon]

Which Safari version are you using? Please provide enough details. :-)

[gaearon]

Yes. I have tried 15.6.1. Doesn't work properly on Safari. I have tried 15.3.1 and it works

OK. I got confused by your initial report because you did not specify the version that was broken. And so I read it thinking it‘s 15.3.1 that was broken.

Is my understanding correct that:

• You’re using desktop Safari (which version?)
• The error doesn’t happen with React 15.3.1
• The error happens with React 15.6.1

?

[ts-oogie]

yes that is correct. And I am using Safari 9.1.2. Thank you

On Wed, Sep 20, 2017 at 9:46 AM, Dan Abramov [e-mail]
wrote:

Yes. I have tried 15.6.1. Doesn't work properly on Safari. I have tried
15.3.1 and it works

OK. I got confused by your initial report because you did not specify the
version that was broken. And so I read it thinking it‘s 15.3.1 that was
broken.

Is my understanding correct that:

• You’re using desktop Safari (which version?)
• The error doesn’t happen with React 15.3.1
• The error happens with React 15.6.1

?

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[jquense]

This sounds a lot like the bug fixed in 15.6.1...does it work with 15.5.x? Can we get an unminified stack trace?

[aweary]

@toshisugano you're using react-dom 15.6.0 and react 15.6.1. Those packages should always be on the same version, even with patch releases.

Here's a version of your Codepen running version 15.6.1 for both packages: https://codepen.io/Aweary/pen/pWyXWy

I've verified that the issue does not occur in Safari 9 after updating react-dom to 15.6.1. Can you confirm that this fixes your issue?

[ts-oogie]

Yes that was it. It is now working! Thank you so much!!!

On Wed, Sep 20, 2017 at 11:44 AM, Brandon Dail [e-mail]
wrote:

@toshisugano https://github.com/toshisugano you're using react-dom
15.6.0 and react 15.6.1. Those packages should always be on the same
version, even with patch releases.

Here's a version of your Codepen running version 15.6.1 for both packages:
https://codepen.io/Aweary/pen/pWyXWy

I've verified that the issue does not occur in Safari 9 after updating
react-dom to 15.6.1. Can you confirm that this fixes your issue?

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