diff --git a/src/ajax.js b/src/ajax.js
index e17dfa89..c5191ef6 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -2,7 +2,7 @@ var jsc = now(),
 	rscript = /<script(.|\s)*?\/script>/gi,
 	rselectTextarea = /select|textarea/i,
 	rinput = /color|date|datetime|email|hidden|month|number|password|range|search|tel|text|time|url|week/i,
-	jsre = /=\?(&|$)/,
+	jsre = /\=\?(&|$)/,
 	rquery = /\?/,
 	rts = /(\?|&)_=.*?(&|$)/,
 	rurl = /^(\w+:)?\/\/([^\/?#]+)/,
diff --git a/src/core.js b/src/core.js
index e2e60a9a..16d05296 100644
--- a/src/core.js
+++ b/src/core.js
@@ -49,7 +49,7 @@ var jQuery = function( selector, context ) {
 
 	// Save a reference to some core methods
 	toString = Object.prototype.toString,
-	hasOwnProperty = Object.prototype.hasOwnProperty,
+	hasOwn = Object.prototype.hasOwnProperty,
 	push = Array.prototype.push,
 	slice = Array.prototype.slice,
 	indexOf = Array.prototype.indexOf;
@@ -450,9 +450,9 @@ jQuery.extend({
 		}
 		
 		// Not own constructor property must be Object
-		if ( obj.constructor
-			&& !hasOwnProperty.call(obj, "constructor")
-			&& !hasOwnProperty.call(obj.constructor.prototype, "isPrototypeOf") ) {
+		if ( obj.constructor &&
+			!hasOwn.call(obj, "constructor") &&
+			!hasOwn.call(obj.constructor.prototype, "isPrototypeOf") ) {
 			return false;
 		}
 		
@@ -462,7 +462,7 @@ jQuery.extend({
 		var key;
 		for ( key in obj ) {}
 		
-		return key === undefined || hasOwnProperty.call( obj, key );
+		return key === undefined || hasOwn.call( obj, key );
 	},
 
 	isEmptyObject: function( obj ) {
@@ -803,5 +803,5 @@ function access( elems, key, value, exec, fn, pass ) {
 }
 
 function now() {
-	return (new Date).getTime();
+	return (new Date()).getTime();
 }
diff --git a/src/event.js b/src/event.js
index 761665cb..abfdc4f1 100644
--- a/src/event.js
+++ b/src/event.js
@@ -187,7 +187,7 @@ jQuery.event = {
 				type = namespaces.shift();
 
 				namespace = new RegExp("(^|\\.)" + 
-					jQuery.map( namespaces.slice(0).sort(), fcleanup ).join("\\.(?:.*\\.)?") + "(\\.|$)")
+					jQuery.map( namespaces.slice(0).sort(), fcleanup ).join("\\.(?:.*\\.)?") + "(\\.|$)");
 			}
 
 			eventType = events[ type ];
diff --git a/src/manipulation.js b/src/manipulation.js
index 196f2307..529280a6 100644
--- a/src/manipulation.js
+++ b/src/manipulation.js
@@ -205,7 +205,7 @@ jQuery.fn.extend({
 
 				return jQuery.clean([html.replace(rinlinejQuery, "")
 					// Handle the case in IE 8 where action=/test/> self-closes a tag
-					.replace(/=([^="'>\s]+\/)>/g, '="$1">')
+					.replace(/\=([^="'>\s]+\/)>/g, '="$1">')
 					.replace(rleadingWhitespace, "")], ownerDocument)[0];
 			} else {
 				return this.cloneNode(true);
diff --git a/src/traversing.js b/src/traversing.js
index 6ae9924a..e597e204 100644
--- a/src/traversing.js
+++ b/src/traversing.js
@@ -1,8 +1,7 @@
 var runtil = /Until$/,
 	rparentsprev = /^(?:parents|prevUntil|prevAll)/,
 	// Note: This RegExp should be improved, or likely pulled from Sizzle
-	rmultiselector = /,/,
-	slice = Array.prototype.slice;
+	rmultiselector = /,/;
 
 // Implement the identical functionality for filter and not
 var winnow = function( elements, qualifier, keep ) {