Make sure we show a fall-back message for JS-but-not-ES6-capable clients (like IE11)
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Description

See how this was handled in WikibaseLexeme for T311157 with a skipFunction.

	Project	Branch	Lines +/-	Subject
	mediawiki/extensions/WikiLambda	master	+61 -4	Show a fall-back message for JS-but-not-ES6-capable clients (like IE11)

Mentioned Here: T311157: Show no-js fallback of Special:NewLexeme to IE 11 and Safari 9, etc. users

Jdforrester-WMF triaged this task as Medium priority.Nov 7 2022, 5:49 PM

Change 882683 had a related patch set uploaded (by Jforrester; author: Jforrester):

[mediawiki/extensions/WikiLambda@master] Show a fall-back message for JS-but-not-ES6-capable clients (like IE11)

Test wiki created on Patch demo by Jdforrester (WMF) using patch(es) linked to this task:
https://patchdemo.wmflabs.org/wikis/5939e2d65a/w