Explore or Spy the global variables available, or any given scope. By default, it run in the global browser scope `window`, and exclude its default properties.

scope_explorer.js

/* 
 * Explore/Spy App Global variables, excluding defaults (defaults comes down a scope)
 * > Run me in your dev tool console via copy/pasting
 * > In return, I provide a list of keys, and copy in your clipboard (how sweet is that!)
 *
 * Follow my creator https://twitter.com/grabthecode
 */

;(function(scope, defaults){

var excluded = [];
switch(Object.prototype.toString.call(defaults)){
  case '[object Function]':
    excluded = defaults(); //expecting an array, don't be a bitch
  break;
  case '[object Array]':
    excluded = defaults;
  break;
  case '[object String]':
    excluded = [defaults]
  break;
}

var cache = [];
var circularStructHandler = function(key, value) {
    if (typeof value === 'object' && value !== null) {
        if (cache.indexOf(value) !== -1) {
            // Circular reference found, discard key
            return;
        }
        // Store value in our collection
        cache.push(value);
    }
    return value;
}


var keys  = [];
var props = Object.keys(scope).reduce(function(memo, key){
  if(scope.hasOwnProperty(key) && excluded.indexOf(key)==-1){
    keys.push(key);

    var entity = scope[key]
    var type   = Object.prototype.toString.call(entity);
    var value;

    switch(type) {
      case '[object Function]':
        value = Function.prototype.toString.call(entity)
      break;
      default:
        value = JSON.stringify(entity, circularStructHandler)
    }

    memo.push({
      key: key,
      type: type,
      value: value
    });
  }
  return memo;
}, []);

console.table(props);

copy(JSON.stringify(keys));

console.log("Copied in clipboard");

})(this, function windowsStdGlobals(){
  // window "standard" globals in chrome as of today - Version 47.0.2526.111
  return ["external","chrome","document","props","b","speechSynthesis","caches","localStorage","sessionStorage","webkitStorageInfo","indexedDB","webkitIndexedDB","ondeviceorientation","ondevicemotion","crypto","postMessage","blur","focus","close","onautocompleteerror","onautocomplete","applicationCache","performance","onunload","onstorage","onpopstate","onpageshow","onpagehide","ononline","onoffline","onmessage","onlanguagechange","onhashchange","onbeforeunload","onwaiting","onvolumechange","ontoggle","ontimeupdate","onsuspend","onsubmit","onstalled","onshow","onselect","onseeking","onseeked","onscroll","onresize","onreset","onratechange","onprogress","onplaying","onplay","onpause","onmousewheel","onmouseup","onmouseover","onmouseout","onmousemove","onmouseleave","onmouseenter","onmousedown","onloadstart","onloadedmetadata","onloadeddata","onload","onkeyup","onkeypress","onkeydown","oninvalid","oninput","onfocus","onerror","onended","onemptied","ondurationchange","ondrop","ondragstart","ondragover","ondragleave","ondragenter","ondragend","ondrag","ondblclick","oncuechange","oncontextmenu","onclose","onclick","onchange","oncanplaythrough","oncanplay","oncancel","onblur","onabort","isSecureContext","onwheel","onwebkittransitionend","onwebkitanimationstart","onwebkitanimationiteration","onwebkitanimationend","ontransitionend","onsearch","onanimationstart","onanimationiteration","onanimationend","styleMedia","defaultstatus","defaultStatus","screenTop","screenLeft","clientInformation","console","devicePixelRatio","outerHeight","outerWidth","screenY","screenX","pageYOffset","scrollY","pageXOffset","scrollX","innerHeight","innerWidth","screen","navigator","frameElement","parent","opener","top","length","frames","closed","status","toolbar","statusbar","scrollbars","personalbar","menubar","locationbar","history","location","name","self","window","stop","open","alert","confirm","prompt","print","requestAnimationFrame","cancelAnimationFrame","captureEvents","releaseEvents","getComputedStyle","matchMedia","moveTo","moveBy","resizeTo","resizeBy","getSelection","find","getMatchedCSSRules","webkitRequestAnimationFrame","webkitCancelAnimationFrame","webkitCancelRequestAnimationFrame","btoa","atob","setTimeout","clearTimeout","setInterval","clearInterval","requestIdleCallback","cancelIdleCallback","scroll","scrollTo","scrollBy","fetch","webkitRequestFileSystem","webkitResolveLocalFileSystemURL","openDatabase"];
});

When run on this page:

Copied into the clipboard (ctrl+c)

["script1453856046274","define","require","setImmediate","clearImmediate","JsMutationObserver","CustomElements","unwrap","wrap","$","jQuery","_perfRefForUserTimingPolyfill","regeneratorRuntime","SelectorSet","ZeroClipboard","IncludeFragmentElement","PollIncludeFragmentElement","RelativeTimeElement","TimeAgoElement","LocalTimeElement","GitHub","_octo","d3Ready","ga","gaplugins","GoogleAnalyticsObject","gaGlobal","ReconnectingWebSocket","jstz","DateInput","u2f"]