revamping datetime draft

web/esop-web-app.js

@@ -4,15 +4,13 @@ function main() {
   var devCfg = { 
     audio: null,
     canvas: document.getElementById('C') //JS-specific implementation canvas DOM reference
-  }
+  }, vm = UxnCore(), ext = ESOPExtensions()
 
   document.getElementById('apprun').addEventListener('click', function() {
     var fileObj = document.getElementById('appselect').files[0]
     if(fileObj.name.endsWith('.eso')) {
       var rdr = new FileReader()
       rdr.onload = function() {
-        var vm = UxnCore()
-        var ext = ESOPExtensions()
         devCfg.audio = new (window.AudioContext || window.webkitAudioContext)
         vm.boot()
         ext.setup(vm, devCfg)