The problem that WP Editor.md cannot be used after upgrading WordPress5.3
reason
resolvent
1. Redefine$
let $ = jQuery;
2. Modify the $call in the plug-in
jQuery( function() { $("#editor_mermaid\\\\[mermaid_config\\\\]")
jQuery( function() { jQuery("#editor_mermaid\\\\[mermaid_config\\\\]")
References
-
[Github] sharpbai comment in WP-Editor.md/issues/380 -
[Unnamed station] Passerby A jQuery-WP53-Fix