doc: add "neat stuff" example to README

README.md

@@ -12,31 +12,42 @@ new Elevent("click", document.querySelector("#myButton"), () => console.log("But
 
 ## Bind from a NodeList
 ```js
-new Elevent("click", document.querySelectorAll("button"), (event) => console.log(event)); // console: PointerEvent
+new Elevent("click", document.querySelectorAll("button"), (event) => console.log(event)); // console: PointerEvent<Event>
 ```
 
 ## Bind with a CSS selector
 ```js
 // Bind all elements that match the CSS selector string
-new Elevent("click", ".css-selector", (event, elevent) => console.log(event, elevent)) // console: PointerEvent, Elevent
+new Elevent("click", ".css-selector", (event, elevent) => console.log(event, elevent)) // console: PointerEvent<Event>, Elevent<class>
 ```
 > New elements added to the DOM with a matching CSS selector will bind automatically
 
 ## Remove event listeners
 ```js
-const elevent = new Elevent("click", null, () => {}); // Empty Elevent instance
+const elevent = new Elevent("click", null, () => {}); // Empty Elevent<class> instance
 
-elevent.remove(document.querySelector("#specialButton")); // Remove a specific HTMLElement if bound
+elevent.remove(document.querySelector("#specialButton")); // Remove a specific HTMLElement<object> if bound
 elevent.remove(); // Remove ALL currently bound elements
 ```
 
 ## Bind a specific element
 ```js
-const elevent = new Elevent("click", null, () => {}); // Empty Elevent instance
+const elevent = new Elevent("click", null, () => {}); // Empty Elevent<class> instance
 
 elevent.bind(document.querySelector("#bindMe"));
 ```
 
+# Neat stuff
+
+## Create a [`once`](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#once) event
+```js
+// As a variable
+const elevent = new Elevent("click", null, () => elevent.remove());
+
+// Anonymous function second argument
+new Elevent("click", null, (event, elevent) => elevent.remove()); // PointerEvent<Event>, Elevent<class>
+```
+
 # Description
 
 ### `Elevent.constructor`