defer JS

gistfile1.txt

<script type="text/javascript">
  
    var scRegion = 'NS'; 
    console.log('scRegion: ' + scRegion);
    function downloadJSAtOnload() {
      
        console.log('Running downloadJSAtOnload');
        var elementVendor = document.createElement("script");
        var elementApp = document.createElement("script");           
        elementVendor.src = "/weathercenter/templates/default_site/weatherwidgets.group/js/stormcentre.vendor.min.js";
        elementApp.src = "/weathercenter/templates/default_site/weatherwidgets.group/js/stormcentre.app.min.js";
      
        document.body.appendChild(elementVendor);
        document.body.appendChild(elementApp);
    }
  
    if (window.addEventListener) {
        window.addEventListener("load", downloadJSAtOnload, false);
    }
    else if (window.attachEvent) {
        window.attachEvent("onload", downloadJSAtOnload);
    }
    else {
        window.onload = downloadJSAtOnload;
    }
  
</script>