SpiderBasic

Thanks Peter for the workaround. It did work well.

I also did test with original HTML using ajax.

If you have in root file test.html and it has this content:

<div id="mytest">
<h5>Spiderbasic is nice</h5>
<script>
function myfunc(){
var mytext = 'Spiderbasic is very nice';
return mytext ...

If you use code:

If ContainerMobile(#PB_Any, #PB_Mobile_Page)
HtmlMobile("<div class=" + Chr(34) + "card" + Chr(34) + ">")
HtmlMobile("<h2 class=" + Chr(34) + "card__title" + Chr(34) + ">Card Title</h2>")
HtmlMobile("<div class=" + Chr(34) + "card__content" + Chr(34) + ">Lorem ipsum dolor sit ...

I have little problems with parameters in Vanilla JS alert function but I can tell already that it is fast, extremely fast. This is the boost I needed. Thank you!