Tweaked a couple cases where == was used instead of ===.

src/event.js

@@ -389,7 +389,7 @@ jQuery.event = {
 			event.metaKey = event.ctrlKey;
 		}
 
-		// Add which for click: 1 == left; 2 == middle; 3 == right
+		// Add which for click: 1 === left; 2 === middle; 3 === right
 		// Note: button is not normalized, so don't use it
 		if ( !event.which && event.button !== undefined ) {
 			event.which = (event.button & 1 ? 1 : ( event.button & 2 ? 3 : ( event.button & 4 ? 2 : 0 ) ));
@@ -755,7 +755,7 @@ jQuery.each(["bind", "one"], function(i, name) {
 			data = undefined;
 		}
 		fn = thisObject === undefined ? fn : jQuery.event.proxy( fn, thisObject );
-		var handler = name == "one" ? jQuery.event.proxy( fn, function( event ) {
+		var handler = name === "one" ? jQuery.event.proxy( fn, function( event ) {
 			jQuery( this ).unbind( event, handler );
 			return fn.apply( this, arguments );
 		}) : fn;

src/manipulation.js

@@ -416,7 +416,7 @@ jQuery.extend({
 							div.firstChild && div.firstChild.childNodes :
 
 							// String was a bare <thead> or <tfoot>
-							wrap[1] == "<table>" && !hasBody ?
+							wrap[1] === "<table>" && !hasBody ?
 								div.childNodes :
 								[];
 

src/queue.js

@@ -27,7 +27,7 @@ jQuery.extend({
 		if ( fn ) {
 			// Add a progress sentinel to prevent the fx queue from being
 			// automatically dequeued
-			if ( type == "fx" ) { queue.unshift("inprogress"); }
+			if ( type === "fx" ) { queue.unshift("inprogress"); }
 
 			fn.call(elem, function() { jQuery.dequeue(elem, type); });
 		}
@@ -47,7 +47,7 @@ jQuery.fn.extend({
 		return this.each(function(i, elem){
 			var queue = jQuery.queue( this, type, data );
 
-			if ( type == "fx" && queue[0] !== "inprogress" ) {
+			if ( type === "fx" && queue[0] !== "inprogress" ) {
 				jQuery.dequeue( this, type );
 			}
 		});

src/support.js

@@ -20,7 +20,7 @@
 
 	jQuery.support = {
 		// IE strips leading whitespace when .innerHTML is used
-		leadingWhitespace: div.firstChild.nodeType == 3,
+		leadingWhitespace: div.firstChild.nodeType === 3,
 
 		// Make sure that tbody elements aren't automatically inserted
 		// IE will insert them into empty tables