MediaWiki talk:ExcerptTree.js

Tweaks for IE11 compatibility
Hi! Following these suggestions I updated the script at my sandbox and it seems to work fine. Can the changes be made live? Thanks! Sophivorus (talk) 15:20, 21 July 2020 (UTC)
 * ✅, thanks! Writ Keeper &#9863;&#9812; 16:44, 21 July 2020 (UTC)