The DOMException interface represents an abnormal event (called an exception) that occurs as a result of calling a method or accessing a property of a web API. This is how error conditions are described in web APIs.| MDN Web Docs
The localStorage read-only property of the window interface allows you to access a Storage object for the Document's origin; the stored data is saved across browser sessions.| MDN Web Docs
HTML: The Living Standard| html.spec.whatwg.org
HTML| html.spec.whatwg.org