JSFiddle - React, Tailwind, and code Playground
HTML
<div id="root"><span>1</span></div>
<div id="out" />
JavaScript
for( var id in $('#root span')){
//alert(id);
$('<div />', {text: id}).appendTo($('#out'));
}
<div id="root"><span>1</span></div>
<div id="out" />
for( var id in $('#root span')){
//alert(id);
$('<div />', {text: id}).appendTo($('#out'));
}