JSFiddle - React, Tailwind, and code Playground
HTML
<div id="xyz" onKeyDown="return disable(this,event);" contentEditable="true">
</div>
CSS
#xyz { font: 9.5pt serif; height:200px; border:1px dashed red; margin:10px; }
JavaScript
function disable(x,e){
if(e.ctrlKey){
return false;
}
return true;
}