Added examples of using event listener methods on the window directly

Author: TheSpyder

examples/dom_example.res

@@ -89,3 +89,24 @@ let _ =
 document
 ->Document.createElement("div")
 ->Element.addMouseMoveEventListener(e => (MouseEvent.screenX(e), MouseEvent.screenY(e))->Js.log)
+
+
+// Showing use of event listener functions on the window object directly
+let _ = {
+  let handleClick = _ => Js.log("clicked")
+
+  window->Window.addEventListener("click", handleClick)
+  window->Window.addEventListenerWithOptions(
+    "click",
+    handleClick,
+    {"passive": true, "once": true, "capture": false},
+  )
+  window->Window.addEventListenerUseCapture("click", handleClick)
+  window->Window.removeEventListener("click", handleClick)
+  window->Window.removeEventListenerWithOptions(
+    "click",
+    handleClick,
+    {"passive": true, "capture": false},
+  )
+  window->Window.removeEventListenerUseCapture("click", handleClick)
+}

lib/js/examples/dom_example.js

@@ -43,6 +43,30 @@ document.createElement("div").addEventListener("mousemove", (function (e) {
 
       }));
 
+function handleClick(param) {
+  console.log("clicked");
+  
+}
+
+window.addEventListener("click", handleClick);
+
+window.addEventListener("click", handleClick, {
+      passive: true,
+      once: true,
+      capture: false
+    });
+
+window.addEventListener("click", handleClick, true);
+
+window.removeEventListener("click", handleClick);
+
+window.removeEventListener("click", handleClick, {
+      passive: true,
+      capture: false
+    });
+
+window.removeEventListener("click", handleClick, true);
+
 exports.unwrapUnsafely = unwrapUnsafely;
 exports.el = el;
 /*  Not a pure module */