[devtools-snippet] add logAllNonDefaultPropertiesOfWindow.js

Author: 0xdevalias

devtools-snippets/logAllNonDefaultPropertiesOfWindow.js

@@ -0,0 +1,58 @@
+// logAllNonDefaultPropertiesOfWindow.js
+// https://github.com/0xdevalias/userscripts/tree/main/devtools-snippets
+// Attempts to enumerate all non default properties of the global 'window' object.
+
+(function () {
+    // Ref: https://developer.chrome.com/docs/devtools/console/utilities/
+    const chromeDevtoolsUtilityMethods = [
+      '$_',
+      '$0',
+      '$1',
+      '$2',
+      '$3',
+      '$4',
+      '$',
+      '$$',
+      '$x',
+      'clear',
+      'copy',
+      'debug',
+      'dir',
+      'dirxml',
+      'inspect',
+      'getEventListeners',
+      'keys',
+      'monitor',
+      'monitorEvents',
+      'profile',
+      'profileEnd',
+      'queryObjects',
+      'table',
+      'undebug',
+      'unmonitor',
+      'unmonitorEvents',
+      'values'
+    ];
+
+    // create an iframe and append to body to load a clean window object, then extract it's properties
+    const iframe = document.createElement('iframe');
+    iframe.style.display = 'none';
+    document.body.appendChild(iframe);
+    const iframePristineWindowProperties = Object.getOwnPropertyNames(iframe.contentWindow);
+    document.body.removeChild(iframe);
+
+    const currentWindowProperties = Object.getOwnPropertyNames(window);
+
+    // filter the list against the properties that exist in the clean window
+    const windowPropertiesWithoutDefaults = currentWindowProperties.filter((prop) => !iframePristineWindowProperties.includes(prop));
+    const windowPropertiesWithoutDefaultsOrDevToolsUtilities = windowPropertiesWithoutDefaults.filter((prop) => !chromeDevtoolsUtilityMethods.includes(prop));
+
+    console.log(windowPropertiesWithoutDefaults);
+    console.log(windowPropertiesWithoutDefaultsOrDevToolsUtilities);
+
+    window.__chromeDevtoolsUtilityMethods = chromeDevtoolsUtilityMethods;
+    window.__iframePristineWindowProperties = iframePristineWindowProperties;
+    window.__currentWindowProperties = currentWindowProperties;
+    window.__windowPropertiesWithoutDefaults = windowPropertiesWithoutDefaults;
+    window.__windowPropertiesWithoutDefaultsOrDevToolsUtilities = windowPropertiesWithoutDefaultsOrDevToolsUtilities;
+}());