Change javascript event handlers to use event.target.matches instead of walking the dom to install event handlers

Mac/MainWindow/Detail/main_mac.js

@@ -1,17 +1,15 @@
-// These mouse functions are used by NetNewsWire for Mac to display link previews
-function mouseDidEnterLink(anchor) {
-	window.webkit.messageHandlers.mouseDidEnter.postMessage(anchor.href);
-}
-function mouseDidExitLink(anchor) {
-	window.webkit.messageHandlers.mouseDidExit.postMessage(anchor.href);
-}
-
 // Add the mouse listeners for the above functions
 function linkHover() {
-	document.querySelectorAll("a").forEach(element => {
-		element.addEventListener("mouseenter", function() { mouseDidEnterLink(this) });
-		element.addEventListener("mouseleave", function() { mouseDidExitLink(this) });
-	});
+	window.onmouseover = function(event) {
+		if (event.target.matches('a')) {
+			window.webkit.messageHandlers.mouseDidEnter.postMessage(event.target.href);
+		}
+	}
+	window.onmouseout = function(event) {
+		if (event.target.matches('a')) {
+			window.webkit.messageHandlers.mouseDidExit.postMessage(event.target.href);
+		}
+	}
 }
 
 function postRenderProcessing() {

iOS/Resources/main_ios.js

@@ -33,9 +33,11 @@ async function imageWasClicked(img) {
 
 // Add the click listeners for images
 function imageClicks() {
-	document.querySelectorAll("img").forEach(element => {
-		element.addEventListener("click", function() { imageWasClicked(this) });
-	});
+	window.onclick = function(event) {
+		if (event.target.matches('img')) {
+			imageWasClicked(event.target);
+		}
+	}
 }
 
 // Add the playsinline attribute to any HTML5 videos that don't have it.