diff --git a/core/boot.js b/core/boot.js
index cc98d4473..2d8920312 100644
--- a/core/boot.js
+++ b/core/boot.js
@@ -39,7 +39,7 @@ if(typeof(window) === "undefined" && !global.$tw) {
 // Crypto helper object
 
 // Setup crypto
-$tw.crypto = new function() {
+var Crypto = function() {
 	var password = null,
 		callSjcl = function(method,inputText) {
 			var outputText;
@@ -49,20 +49,20 @@ $tw.crypto = new function() {
 			try {
 				outputText = $tw.crypto.sjcl[method](password,inputText);
 			} catch(ex) {
-				console.log("Crypto error:" + ex)
+				console.log("Crypto error:" + ex);
 				outputText = null;	
 			}
 			return outputText;
 		},
 		getPassword = function() {
 			if($tw.browser) {
-				password = prompt("Enter password to decrypt TiddlyWiki");
+				password = window.prompt("Enter password to decrypt TiddlyWiki");
 			}
 		};
 
 	this.setPassword = function(newPassword) {
 		password = newPassword;
-	}
+	};
 	this.encrypt = function(text) {
 		return callSjcl("encrypt",text);
 	};
@@ -70,6 +70,7 @@ $tw.crypto = new function() {
 		return callSjcl("decrypt",text);
 	};
 };
+$tw.crypto = new Crypto();
 
 $tw.crypto.sjcl = $tw.browser ? window.sjcl : require("./sjcl.js");
 
@@ -453,6 +454,7 @@ $tw.Wiki.prototype.installPlugins = function() {
 Register all the module tiddlers that have a module type
 */
 $tw.Wiki.prototype.registerModuleTiddlers = function() {
+	/*jslint evil: true */
 	var title, tiddler;
 	// If in the browser, define any modules from plugins
 	if($tw.browser) {
@@ -466,7 +468,7 @@ $tw.Wiki.prototype.registerModuleTiddlers = function() {
 						tiddler.fields.text,
 						"})"
 					];
-					$tw.modules.define(tiddler.fields.title,tiddler.fields["module-type"],window.eval(source.join("")));
+					$tw.modules.define(tiddler.fields.title,tiddler.fields["module-type"],window["eval"](source.join("")));
 				}
 			}
 		}
@@ -750,27 +752,28 @@ Load all the tiddlers from a directory
 $tw.extractTiddlersFromPath = function(filepath,basetitle,excludeRegExp) {
 	basetitle = basetitle || "$:/plugins";
 	excludeRegExp = excludeRegExp || /^\.DS_Store$|.meta$/;
-	var tiddlers = [];
+	var tiddlers = [],
+		stat, files, pluginInfo, pluginTiddlers, f, file, titlePrefix, t, filesInfo, p, tidInfo, typeInfo, text;
 	if(fs.existsSync(filepath)) {
-		var stat = fs.statSync(filepath);
+		stat = fs.statSync(filepath);
 		if(stat.isDirectory()) {
-			var files = fs.readdirSync(filepath);
+			files = fs.readdirSync(filepath);
 			// Look for a tiddlywiki.plugin file
 			if(files.indexOf("tiddlywiki.plugin") !== -1) {
 				// Read the plugin information
-				var pluginInfo = JSON.parse(fs.readFileSync(filepath + "/tiddlywiki.plugin").toString("utf8"));
+				pluginInfo = JSON.parse(fs.readFileSync(filepath + "/tiddlywiki.plugin").toString("utf8"));
 				// Read the plugin files
-				var pluginTiddlers = [];
-				for(var f=0; f<files.length; f++) {
-					var file = files[f];
+				pluginTiddlers = [];
+				for(f=0; f<files.length; f++) {
+					file = files[f];
 					if(!excludeRegExp.test(file) && file !== "tiddlywiki.plugin" && file !== "tiddlywiki.files") {
 						pluginTiddlers.push.apply(pluginTiddlers,$tw.extractTiddlersFromPath(filepath + "/" + file,basetitle + "/" + file,excludeRegExp));
 					}
 				}
 				// Save the plugin tiddlers into the plugin
 				pluginInfo.tiddlers = pluginInfo.tiddlers || {};
-				var titlePrefix = pluginInfo.title + "/";
-				for(var t=0; t<pluginTiddlers.length; t++) {
+				titlePrefix = pluginInfo.title + "/";
+				for(t=0; t<pluginTiddlers.length; t++) {
 					// Check that the constituent tiddler has the plugin title as a prefix
 					if(pluginTiddlers[t].title.indexOf(titlePrefix) === 0 && pluginTiddlers[t].title.length > titlePrefix.length) {
 						pluginInfo.tiddlers[pluginTiddlers[t].title.substr(titlePrefix.length)] = pluginTiddlers[t];
@@ -783,18 +786,18 @@ $tw.extractTiddlersFromPath = function(filepath,basetitle,excludeRegExp) {
 			// Look for a tiddlywiki.files file
 			} else if(files.indexOf("tiddlywiki.files") !== -1) {
 				// If so, process the files it describes
-				var filesInfo = JSON.parse(fs.readFileSync(filepath + "/tiddlywiki.files").toString("utf8"));
-				for(var p=0; p<filesInfo.tiddlers.length; p++) {
-					var tidInfo = filesInfo.tiddlers[p],
-						typeInfo = $tw.config.contentTypeInfo[tidInfo.fields.type || "text/plain"],
-						text = fs.readFileSync(path.resolve(filepath,tidInfo.file)).toString(typeInfo ? typeInfo.encoding : "utf8");
+				filesInfo = JSON.parse(fs.readFileSync(filepath + "/tiddlywiki.files").toString("utf8"));
+				for(p=0; p<filesInfo.tiddlers.length; p++) {
+					tidInfo = filesInfo.tiddlers[p];
+					typeInfo = $tw.config.contentTypeInfo[tidInfo.fields.type || "text/plain"];
+					text = fs.readFileSync(path.resolve(filepath,tidInfo.file)).toString(typeInfo ? typeInfo.encoding : "utf8");
 					tidInfo.fields.text = text;
 					tiddlers.push(tidInfo.fields);
 				}
 			} else {
 				// If not, read all the files in the directory
-				for(var f=0; f<files.length; f++) {
-					var file = files[f];
+				for(f=0; f<files.length; f++) {
+					file = files[f];
 					if(!excludeRegExp.test(file)) {
 						tiddlers.push.apply(tiddlers,$tw.extractTiddlersFromPath(filepath + "/" + file,basetitle + "/" + file,excludeRegExp));
 					}
diff --git a/core/modules/filters.js b/core/modules/filters.js
index 8e2a68e8b..6c3c75190 100644
--- a/core/modules/filters.js
+++ b/core/modules/filters.js
@@ -216,7 +216,7 @@ exports.operators = {
 		filter: function(operator) {
 			var op = operator.prefix === "!" ? "true" : "false";
 			return "var term = this.getTiddler(\"" + $tw.utils.stringify(operator.operand) + "\").fields.text;" +
-				"subResults = this.search(term,{titles: subResults, invert: " + op + ", exclude: [\"" + $tw.utils.stringify(operator.operand) + "\"]});"
+				"subResults = this.search(term,{titles: subResults, invert: " + op + ", exclude: [\"" + $tw.utils.stringify(operator.operand) + "\"]});";
 		}
 	},
 	"field": { // Special handler for field comparisons
diff --git a/core/modules/macros/fields.js b/core/modules/macros/fields.js
index 9a2514cd2..e1c802999 100644
--- a/core/modules/macros/fields.js
+++ b/core/modules/macros/fields.js
@@ -61,7 +61,6 @@ exports.executeMacro = function() {
 	]);
 	child.execute(this.parents,this.tiddlerTitle);
 	return child;
-	return this.viewer.render();
 };
 
 })();
diff --git a/core/modules/macros/list/list.js b/core/modules/macros/list/list.js
index b3672eb30..e6164cb55 100644
--- a/core/modules/macros/list/list.js
+++ b/core/modules/macros/list/list.js
@@ -123,7 +123,7 @@ exports.createListElement = function(title) {
 	node.execute(this.parents,this.tiddlerTitle);
 	// Add any specified classes
 	if(this.hasParameter("itemClass")) {
-		attributes["class"].push(this.params["itemClass"]);
+		attributes["class"].push(this.params.itemClass);
 	}
 	var listElement = $tw.Tree.Element(this.isBlock ? "div" : "span",attributes,[node],{
 			events: ["tw-navigate","tw-EditTiddler","tw-SaveTiddler","tw-CloseTiddler","tw-NewTiddler"],
diff --git a/core/modules/macros/list/listviews/cecily.js b/core/modules/macros/list/listviews/cecily.js
index 04f410f53..b2a040531 100644
--- a/core/modules/macros/list/listviews/cecily.js
+++ b/core/modules/macros/list/listviews/cecily.js
@@ -26,7 +26,7 @@ function CecilyListView(listMacro) {
 		domNode.style.position = "absolute";
 		this.positionTiddler(title,domNode);
 	}
-};
+}
 
 CecilyListView.prototype.getMapTiddlerTitle = function() {
 	return this.listMacro.params.map || "$:/TiddlerMap";
@@ -117,6 +117,6 @@ CecilyListView.prototype.remove = function(index) {
 	return true;
 };
 
-exports["cecily"] = CecilyListView;
+exports.cecily = CecilyListView;
 
 })();
diff --git a/core/modules/macros/list/listviews/classic.js b/core/modules/macros/list/listviews/classic.js
index ab70ac30b..f6f16fba7 100644
--- a/core/modules/macros/list/listviews/classic.js
+++ b/core/modules/macros/list/listviews/classic.js
@@ -88,6 +88,6 @@ ClassicListView.prototype.remove = function(index) {
 	return true;
 };
 
-exports["classic"] = ClassicListView;
+exports.classic = ClassicListView;
 
 })();
diff --git a/core/modules/macros/list/listviews/sideways.js b/core/modules/macros/list/listviews/sideways.js
index d8651998d..39264a12e 100644
--- a/core/modules/macros/list/listviews/sideways.js
+++ b/core/modules/macros/list/listviews/sideways.js
@@ -46,7 +46,7 @@ SidewaysListView.prototype.insert = function(index) {
 		{verticalAlign: "top"},
 		{display: "inline-block"},
 		{transition: "none"},
-		{opacity: "0.0"},
+		{opacity: "0.0"}
 	]);
 	var	currWidth = targetElement.offsetWidth + parseInt(window.getComputedStyle(targetElement).marginLeft,10);
 	$tw.utils.setStyle(targetElement,[
@@ -89,6 +89,6 @@ SidewaysListView.prototype.remove = function(index) {
 	return true;
 };
 
-exports["sideways"] = SidewaysListView;
+exports.sideways = SidewaysListView;
 
 })();
diff --git a/core/modules/macros/navigator.js b/core/modules/macros/navigator.js
index 461e69152..1e2d244c2 100644
--- a/core/modules/macros/navigator.js
+++ b/core/modules/macros/navigator.js
@@ -165,8 +165,9 @@ exports.eventMap["tw-NewTiddler"] = function(event) {
 	// Get the story details
 	this.story = this.getList(this.storyTitle);
 	// Create the new tiddler
+	var title;
 	for(var t=0; true; t++) {
-		var title = "New Tiddler" + (t ? " " + t : "");
+		title = "New Tiddler" + (t ? " " + t : "");
 		if(!this.wiki.tiddlerExists(title)) {
 			break;
 		}
diff --git a/core/modules/macros/scrollable.js b/core/modules/macros/scrollable.js
index b8eaa2446..84c4b464d 100644
--- a/core/modules/macros/scrollable.js
+++ b/core/modules/macros/scrollable.js
@@ -46,10 +46,10 @@ exports.executeMacro = function() {
 		$tw.utils.pushTop(outerClasses,this.classes);
 	}
 	if(this.hasParameter("width")) {
-		outerAttributes.style.width = this.params["width"];
+		outerAttributes.style.width = this.params.width;
 	}
 	if(this.hasParameter("height")) {
-		outerAttributes.style.height = this.params["height"];
+		outerAttributes.style.height = this.params.height;
 	}
 	var innerFrame = $tw.Tree.Element("div",innerAttributes,this.content),
 		outerFrame = $tw.Tree.Element("div",outerAttributes,[innerFrame]);
@@ -85,7 +85,7 @@ exports.scrollTo = function(bounds) {
 				t = 1;
 			}
 			t = slowInSlowOut(t);
-			self.child.domNode.scrollLeft = self.startX + (self.endX - self.startX) * t
+			self.child.domNode.scrollLeft = self.startX + (self.endX - self.startX) * t;
 			self.child.domNode.scrollTop = self.startY + (self.endY - self.startY) * t;
 		}, 10);
 	}
diff --git a/core/modules/macros/view/view.js b/core/modules/macros/view/view.js
index 3860748e7..310dbfd67 100644
--- a/core/modules/macros/view/view.js
+++ b/core/modules/macros/view/view.js
@@ -53,7 +53,7 @@ exports.executeMacro = function() {
 		Viewer = this.wiki.macros.view.fieldviewers[this.params.format];
 	}
 	if(!Viewer) {
-		Viewer = this.wiki.macros.view.fieldviewers["text"];
+		Viewer = this.wiki.macros.view.fieldviewers.text;
 	}
 	this.viewer = new Viewer(this,tiddler,field,value);
 	// Call the viewer to generate the content
diff --git a/core/modules/macros/view/viewers/date.js b/core/modules/macros/view/viewers/date.js
index 66ad821cd..9d5ea6863 100644
--- a/core/modules/macros/view/viewers/date.js
+++ b/core/modules/macros/view/viewers/date.js
@@ -28,6 +28,6 @@ DateViewer.prototype.render = function() {
 	}
 };
 
-exports["date"] = DateViewer;
+exports.date = DateViewer;
 
 })();
diff --git a/core/modules/macros/view/viewers/link.js b/core/modules/macros/view/viewers/link.js
index acd7f1e54..b6ceeff08 100644
--- a/core/modules/macros/view/viewers/link.js
+++ b/core/modules/macros/view/viewers/link.js
@@ -32,8 +32,8 @@ LinkViewer.prototype.render = function() {
 		link.execute(this.viewMacro.parents,this.viewMacro.tiddlerTitle);
 		return link;
 	}
-}
+};
 
-exports["link"] = LinkViewer;
+exports.link = LinkViewer;
 
 })();
diff --git a/core/modules/macros/view/viewers/relativedate.js b/core/modules/macros/view/viewers/relativedate.js
index f20c77ec6..849392eb7 100644
--- a/core/modules/macros/view/viewers/relativedate.js
+++ b/core/modules/macros/view/viewers/relativedate.js
@@ -70,6 +70,6 @@ RelativeDateViewer.prototype.update = function() {
 	}
 };
 
-exports["relativedate"] = RelativeDateViewer;
+exports.relativedate = RelativeDateViewer;
 
 })();
diff --git a/core/modules/macros/view/viewers/text.js b/core/modules/macros/view/viewers/text.js
index c88fadd7d..b121db7ae 100644
--- a/core/modules/macros/view/viewers/text.js
+++ b/core/modules/macros/view/viewers/text.js
@@ -30,8 +30,8 @@ TextViewer.prototype.render = function() {
 	} else {
 		return $tw.Tree.Text(this.value);
 	}
-}
+};
 
-exports["text"] = TextViewer;
+exports.text = TextViewer;
 
 })();
diff --git a/core/modules/macros/view/viewers/transclude.js b/core/modules/macros/view/viewers/transclude.js
index f81d82ec7..6480aedc1 100644
--- a/core/modules/macros/view/viewers/transclude.js
+++ b/core/modules/macros/view/viewers/transclude.js
@@ -31,8 +31,8 @@ TranscludeViewer.prototype.render = function() {
 		}
 		return $tw.Tree.Element(this.viewMacro.isBlock ? "div" : "span",{},childrenClone);
 	}
-}
+};
 
-exports["transclude"] = TranscludeViewer;
+exports.transclude = TranscludeViewer;
 
 })();
diff --git a/core/modules/macros/view/viewers/wikified.js b/core/modules/macros/view/viewers/wikified.js
index 02fd46829..b728e2baf 100644
--- a/core/modules/macros/view/viewers/wikified.js
+++ b/core/modules/macros/view/viewers/wikified.js
@@ -42,8 +42,8 @@ WikifiedViewer.prototype.render = function() {
 		childrenClone[t].execute(parents,this.viewMacro.tiddlerTitle);
 	}
 	return $tw.Tree.Element(this.viewMacro.isBlock ? "div" : "span",{},childrenClone);
-}
+};
 
-exports["wikified"] = WikifiedViewer;
+exports.wikified = WikifiedViewer;
 
 })();
diff --git a/core/modules/parsers/imageparser.js b/core/modules/parsers/imageparser.js
index 03afda8f9..eb94e1510 100644
--- a/core/modules/parsers/imageparser.js
+++ b/core/modules/parsers/imageparser.js
@@ -13,19 +13,19 @@ Parses an image into a parse tree containing an HTML img element
 "use strict";
 
 var ImageParser = function(options) {
-    this.wiki = options.wiki;
+	this.wiki = options.wiki;
 };
 
 ImageParser.prototype.parse = function(type,text) {
-    var element = "img",
-    	src;
-    if(type === "application/pdf" || type === ".pdf") {
-    	src = "data:application/pdf;base64," + text;
-    	element = "embed";
-    } else if(type === "image/svg+xml" || type === ".svg") {
-        src = "data:image/svg+xml," + encodeURIComponent(text);
+	var element = "img",
+		src;
+	if(type === "application/pdf" || type === ".pdf") {
+		src = "data:application/pdf;base64," + text;
+		element = "embed";
+	} else if(type === "image/svg+xml" || type === ".svg") {
+		src = "data:image/svg+xml," + encodeURIComponent(text);
 	} else {
-        src = "data:" + type + ";base64," + text;
+		src = "data:" + type + ";base64," + text;
 	}
 	return new $tw.Renderer([$tw.Tree.Element(element,{src: src})],new $tw.Dependencies());
 };
diff --git a/core/modules/parsers/newwikitextparser/rules/classblock.js b/core/modules/parsers/newwikitextparser/rules/classblock.js
index aab8e0948..d3a18342f 100644
--- a/core/modules/parsers/newwikitextparser/rules/classblock.js
+++ b/core/modules/parsers/newwikitextparser/rules/classblock.js
@@ -32,7 +32,7 @@ exports.regExpString = "\\{\\{(?:[^\\{\\r\\n]+)\\{$\\r?\\n";
 
 exports.parse = function(match,isBlock) {
 	var tree = [],
-		reStart = /\{\{([^\{\r\n]+){\r?\n/mg,
+		reStart = /\{\{([^\{\r\n]+)\{\r?\n/mg,
 		reEndString = "(\\}\\}\\}$(?:\\r?\\n)?)",
 		endMatch;
 	reStart.lastIndex = this.pos;
diff --git a/core/modules/parsers/newwikitextparser/rules/classrun.js b/core/modules/parsers/newwikitextparser/rules/classrun.js
index 376dac6de..f975f7c68 100644
--- a/core/modules/parsers/newwikitextparser/rules/classrun.js
+++ b/core/modules/parsers/newwikitextparser/rules/classrun.js
@@ -29,7 +29,7 @@ exports.regExpString = "\\{\\{(?:[^\\{\\r\\n]+)\\{";
 
 exports.parse = function(match,isBlock) {
 	var tree,
-		reStart = /\{\{([^\{\r\n]+){/mg,
+		reStart = /\{\{([^\{\r\n]+)\{/mg,
 		reEnd = /(\}\}\})/g;
 	reStart.lastIndex = this.pos;
 	match = reStart.exec(this.source);
diff --git a/core/modules/savers/upload.js b/core/modules/savers/upload.js
index 99492a64e..68a9b690e 100644
--- a/core/modules/savers/upload.js
+++ b/core/modules/savers/upload.js
@@ -56,7 +56,7 @@ UploadSaver.prototype.save = function(text) {
 	http.setRequestHeader("Content-Type","multipart/form-data; ;charset=UTF-8; boundary=" + boundary);
 	http.onreadystatechange = function() {
 		if(http.readyState == 4 && http.status == 200) {
-			alert(http.responseText);
+			window.alert(http.responseText);
 		}
 	};
 	http.send(data);
diff --git a/core/modules/serializers.js b/core/modules/serializers.js
index f1de9022b..519235b64 100644
--- a/core/modules/serializers.js
+++ b/core/modules/serializers.js
@@ -169,7 +169,7 @@ exports["application/x-tiddler-encrypted-div"] = function(tiddlers) {
 
 exports["application/x-tiddler-javascript"] = function(tiddlers) {
 	return mapEachTiddler(this,tiddlers,function(tiddler) {
-		return "$tw.preloadTiddler(" + JSON.stringify(tiddler.fields) + ");\n"	
+		return "$tw.preloadTiddler(" + JSON.stringify(tiddler.fields) + ");\n";
 	});
 };
 
diff --git a/core/modules/startup.js b/core/modules/startup.js
index 732e3f07a..4149749b9 100644
--- a/core/modules/startup.js
+++ b/core/modules/startup.js
@@ -42,8 +42,8 @@ exports.startup = function() {
 	// Host-specific startup
 	if($tw.browser) {
 		// Call browser startup modules
-		var modules = $tw.modules.types["browser-startup"];
-		for(var m=0; m<modules.length; m++) {
+		modules = $tw.modules.types["browser-startup"];
+		for(m=0; m<modules.length; m++) {
 			modules[m].startup();
 		}
 		// Install the popup manager
diff --git a/core/modules/utils/dom/browser.js b/core/modules/utils/dom/browser.js
index 0070bd89e..fa625b11a 100644
--- a/core/modules/utils/dom/browser.js
+++ b/core/modules/utils/dom/browser.js
@@ -52,7 +52,7 @@ exports.convertStyleNameToPropertyName = function(styleName) {
 		}
 	}
 	// Put it in the cache too
-	styleNameCache[styleName] = propertyName
+	styleNameCache[styleName] = propertyName;
 	return propertyName;
 };
 
@@ -124,7 +124,7 @@ exports.convertEventName = function(eventName) {
 		}
 	}
 	// Put it in the cache too
-	eventNameCache[eventName] = newEventName
+	eventNameCache[eventName] = newEventName;
 	return newEventName;
 };
 
diff --git a/core/modules/utils/dom/dom.js b/core/modules/utils/dom/dom.js
index f3b1ea322..6fd920b13 100644
--- a/core/modules/utils/dom/dom.js
+++ b/core/modules/utils/dom/dom.js
@@ -139,7 +139,7 @@ exports.pulseElement = function(element) {
 	},false);
 	// Apply the pulse class
 	$tw.utils.removeClass(element,"pulse");
-	element.offsetWidth;
+	$tw.utils.forceLayout(element);
 	$tw.utils.addClass(element,"pulse");
 };
 
diff --git a/core/modules/utils/dom/modal.js b/core/modules/utils/dom/modal.js
index 0a751f8ab..21d5e551a 100644
--- a/core/modules/utils/dom/modal.js
+++ b/core/modules/utils/dom/modal.js
@@ -122,7 +122,7 @@ Modal.prototype.display = function(title) {
 		{transition: "opacity " + d + " ease-out"}
 	]);
 	$tw.utils.setStyle(modalWrapper,[
-		{transition: $tw.utils.roundTripPropertyName("transform") + " " + $tw.config.preferences.animationDurationMs + " ease-in-out"},
+		{transition: $tw.utils.roundTripPropertyName("transform") + " " + $tw.config.preferences.animationDurationMs + " ease-in-out"}
 	]);
 	// Force layout
 	$tw.utils.forceLayout(modalBackdrop);
diff --git a/core/modules/utils/utils.js b/core/modules/utils/utils.js
index cdac24f90..cf0ea9790 100644
--- a/core/modules/utils/utils.js
+++ b/core/modules/utils/utils.js
@@ -258,7 +258,7 @@ exports.stringify = function(s) {
 Escape the RegExp special characters with a preceding backslash
 */
 exports.escapeRegExp = function(s) {
-    return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&')
+    return s.replace(/[\-\/\\\^\$\*\+\?\.\(\)\|\[\]\{\}]/g, '\\$&');
 };
 
 exports.nextTick = function(fn) {
diff --git a/core/modules/wiki.js b/core/modules/wiki.js
index ac7c89a7b..05cfc9b91 100644
--- a/core/modules/wiki.js
+++ b/core/modules/wiki.js
@@ -687,7 +687,7 @@ exports.search = function(text,options) {
 			return options.invert ? !match : match;
 		}
 		return false;			
-	}
+	};
 	// Loop through all the tiddlers doing the search
 	var results = [];
 	if($tw.utils.isArray(options.titles)) {
diff --git a/core/plugins/fullscreen/init.js b/core/plugins/fullscreen/init.js
index 17e216ccb..c617006a2 100644
--- a/core/plugins/fullscreen/init.js
+++ b/core/plugins/fullscreen/init.js
@@ -9,7 +9,7 @@ Message handler for full screen mode
 (function(){
 
 /*jslint node: true, browser: true */
-/*global $tw: false */
+/*global $tw: false, Element: false */
 "use strict";
 
 var toggleFullScreen = function() {