emileber/test-globals.es5.js

## test-globals.es5.js
/**
 * Check for globals added by other scripts after the page is loaded.
 * Place this at the top of `<head>`.
 *
 * Uses `getOwnPropertyNames` to get the non-enumerable properties as well.
 */
(function(getGlobalKeys) {
  var keys = getGlobalKeys();

  window.addEventListener("load", function() {
    var diff = getGlobalKeys().filter(function(key) {
      return keys.indexOf(key) === -1;
    });

    console.log(
      "Unusual globals (%d): %o",
      diff.length,
      diff.reduce(function(win, key) {
        win[key] = window[key];
        return win;
      }, {})
    );
  });
})(function() {
  return Object.getOwnPropertyNames(window);
});

## test-globals.js
/**
 * Check for globals added by other scripts after the page is loaded.
 * Place this at the top of `<head>`.
 *
 * Uses `getOwnPropertyNames` to get the non-enumerable properties as well.
 */
((getGlobalKeys) => {
  const keys = getGlobalKeys();

  window.addEventListener("load", () => {
    const diff = getGlobalKeys().filter(key => keys.indexOf(key) === -1);

    console.log(
      "Unusual globals (%d): %o",
      diff.length,
      diff.reduce((win, key) => {
        win[key] = window[key];
        return win;
      }, {})
    );
  });
})(() => Object.getOwnPropertyNames(window));
	/**
	* Check for globals added by other scripts after the page is loaded.
	* Place this at the top of `<head>`.
	*
	* Uses `getOwnPropertyNames` to get the non-enumerable properties as well.
	*/
	(function(getGlobalKeys) {
	var keys = getGlobalKeys();

	window.addEventListener("load", function() {
	var diff = getGlobalKeys().filter(function(key) {
	return keys.indexOf(key) === -1;
	});

	console.log(
	"Unusual globals (%d): %o",
	diff.length,
	diff.reduce(function(win, key) {
	win[key] = window[key];
	return win;
	}, {})
	);
	});
	})(function() {
	return Object.getOwnPropertyNames(window);
	});