List all properties of window object?

Question

I\'m looking to (dynamically) obtain a list of HTML elements the browser is currently aware of, such as HTMLPreElement, HTMLSpanElement etc. These

Answer 1

var obj = window;
while(obj){
    for(let prop of Reflect.ownKeys(obj)){
        console.log(prop);
    };
    obj = Object.getPrototypeOf(obj);
};