JSFiddle - React, Tailwind, and code Playground
by Dogbert
HTML
<div id="ad1"></div>
<div id="ad2"></div>
JavaScript
function go(selector, minWidth, maxWidth, code) {
var width = jQuery(window).width();
if(width < minWidth || width > maxWidth) return;
var script = document.createElement("script");
script.type = "text/javascript";
script.text = code;
jQuery(selector).append(script);
}
jQuery(function($) {
go("#ad1", 0, 600, "alert('<600')");
go("#ad1", 600, 9999, "alert('>600')");
go("#ad2", 0, 600, "document['write']('small ad!')");
go("#ad2", 600, 9999, "document['write']('large ad!')");
});