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Demos with custom dom modules don't work on IE11 #799

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Saulis opened this issue Mar 13, 2017 · 1 comment
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Demos with custom dom modules don't work on IE11 #799

Saulis opened this issue Mar 13, 2017 · 1 comment
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@Saulis
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Saulis commented Mar 13, 2017

Since IE11 uses a polyfill for <template>, any <script> inside a template is run during init.

Demo which include a template containing custom <dom-module> and <script> which calls Polymer({..}) will fail in IE11.

Adding a WebComponentsReady listener should fix this issue.

@Saulis Saulis added the 2.0 label Mar 13, 2017
platosha added a commit that referenced this issue Mar 13, 2017
@platosha platosha self-assigned this Mar 13, 2017
@platosha
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Note: In IE11, <demo-snippet>’s code snippet shows <template> contents as empty. This is, probably, due to the <demo-snippet> incompatibility with the <template> polyfill.

The demos work fine, though.

@platosha platosha added this to the 2.0.0-beta1 milestone Mar 16, 2017
HJK181 pushed a commit to CommerceExperts/vaadin-grid that referenced this issue Jul 27, 2020
The _onClosed function was running twice when the overlay was closed:
- once by reacting to the dropdown closing event
- another time by the opened property observer

Because of this, the custom-value-set event was fired twice.

This was not caught by the tests, because the test combo box didn't
have any items, so there was no overlay, which would be closed to make
the extra _onClosed call.

Fix vaadin/vaadin-combo-box-flow#167
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