Objects

This section describes the objects supported by the Diagnostics Engine.

Note  These APIs can only be used with F12 developer tools and the Diagnostics Script Engine, and can't be called from JavaScript.

 

In this section

Topic	Description
DiagnosticsBrowser	An object which gives access to browser-related properties and events.
DiagnosticsCookieEntry	An individual cookie object.
DiagnosticsCookies	Object that provides methods and properties across all cookies. Note  These APIs can only be used with F12 tools and the Diagnostics Script Engine, and can't be called from JavaScript.
DiagnosticsDom	An instance of the Document Object Model (DOM).
DiagnosticsElementEventHelper	An object to access methods and events related to a DOM element.
DiagnosticsEmulation	Provides an interface to methods and properties on the emulation object.
DiagnosticsExternal	Object used to communicate back to the COM API surface and the owner of the Diagnostics Script Engine.
DiagnosticsGeoLocation	Provides an interface to methods and properties having to do with GeoLocation.
DiagnosticsGlobalScope	Provides access to methods and properties associated with the GlobalScope.
DiagnosticsIndexedDB	Object that provides methods and properties to access IndexedDB storage.
DiagnosticsMemoryProfiler	Object that provides methods and properties to access memory storage.
DiagnosticsResources	Object that enables access to functions related to resources such as indexedDB or localStorage.
DiagnosticsSourceLocation	Object that represents the line, column, and file of a style's location in the original source.
DiagnosticsStorage	An object used to query and manipulate the page’s local & session storage.
DiagnosticsStyleProperty	An object that represents a single CSS property for diagnostics.
DiagnosticsStyles	Object that provides methods and properties to access the CSS-diagnostics object.
DiagnosticsTracedStyles	An object that represents the style tracing information for a single element.
DiagnosticsUserAgentStringManager	Object providing properties and methods to manage User Agent strings from the Diagnostics Object Model.
DiagnosticsViewport	Provides an object for methods and properties associated with the viewport.
DiagnosticsWebWorker	Provides methods to post messages and run scripts on a web worker.
WebWorkerDiagnosticsDiagnostics	An object used for asynchronous communicate with the parent Diagnostics Object Model from the WebWorkerDiagnostics Object Model.
WebWorkerDiagnosticsGlobalScope	Object provides properties associated with the web worker's global scope.
WebWorkerDiagnosticsWorker	Object to access properties and methods for the web worker object model.