Create Safari extension

Millennials to Snake People.safariextension/Info.plist

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>Author</key>
+	<string>Alexsander Akers</string>
+	<key>Builder Version</key>
+	<string>10600.6.3</string>
+	<key>CFBundleDisplayName</key>
+	<string>Millennials to Snake People</string>
+	<key>CFBundleIdentifier</key>
+	<string>us.pandamonia.millennials-to-snake-people</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1.0</string>
+	<key>CFBundleVersion</key>
+	<string>1</string>
+	<key>Chrome</key>
+	<dict/>
+	<key>Content</key>
+	<dict>
+		<key>Scripts</key>
+		<dict>
+			<key>End</key>
+			<array>
+				<string>content_script.js</string>
+			</array>
+		</dict>
+	</dict>
+	<key>Description</key>
+	<string>Learn the sad, sinister truth behind the mysterious Snake People. Who are they? What do they want?</string>
+	<key>DeveloperIdentifier</key>
+	<string>94C3W2AV74</string>
+	<key>ExtensionInfoDictionaryVersion</key>
+	<string>1.0</string>
+	<key>Permissions</key>
+	<dict>
+		<key>Website Access</key>
+		<dict>
+			<key>Include Secure Pages</key>
+			<true/>
+			<key>Level</key>
+			<string>All</string>
+		</dict>
+	</dict>
+	<key>Update Manifest URL</key>
+	<string>https://a2.github.io/</string>
+	<key>Website</key>
+	<string>https://github.com/a2/millennials-to-snake-people</string>
+</dict>
+</plist>

Source/content_script.js → Millennials to Snake People.safariextension/content_script.js

@@ -2,30 +2,20 @@ walk(document.body);
 
 document.title = replaceText(document.title);
 
-function walk(node)
+function walk(rootNode)
 {
-	// I stole this function from here:
-	// http://is.gd/mwZp7E
-
-	var child, next;
-
-	switch ( node.nodeType )
-	{
-		case 1:  // Element
-		case 9:  // Document
-		case 11: // Document fragment
-			child = node.firstChild;
-			while ( child )
-			{
-				next = child.nextSibling;
-				walk(child);
-				child = next;
-			}
-			break;
-
-		case 3: // Text node
-			handleText(node);
-			break;
+	// Find all the text nodes in rootNode
+	var walker = document.createTreeWalker(
+		rootNode,
+		NodeFilter.SHOW_TEXT,
+		null,
+		false
+	),
+	node;
+
+	// Modify each text node's value
+	while (node = walker.nextNode()) {
+		handleText(node);
 	}
 }