Tests:Docs: Fix various typos

* Changes "baar" to "bar" when used with "foo" in readme
  and comments of js files

* mousenter -> mouseenter

Thanks @garysye, @KimTaehee

Cherry-picked from 03eaadb
Closes gh-2613
Closes gh-2601

README.md

@@ -296,7 +296,7 @@ t( testName, selector, [ "array", "of", "ids" ] );
 Example:
 
 ```js
-t("Check for something", "//[a]", ["foo", "baar"]);
+t("Check for something", "//[a]", ["foo", "bar"]);
 ```
 
 

src/event.js

@@ -893,7 +893,7 @@ jQuery.each( {
 				related = event.relatedTarget,
 				handleObj = event.handleObj;
 
-			// For mousenter/leave call the handler if related is outside the target.
+			// For mouseenter/leave call the handler if related is outside the target.
 			// NB: No relatedTarget if the mouse left/entered the browser window
 			if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
 				event.type = handleObj.origType;

test/data/jquery-1.9.1.js

@@ -3525,7 +3525,7 @@ jQuery.each( {
 				related = event.relatedTarget,
 				handleObj = event.handleObj;
 
-			// For mousenter/leave call the handler if related is outside the target.
+			// For mouseenter/leave call the handler if related is outside the target.
 			// NB: No relatedTarget if the mouse left/entered the browser window
 			if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
 				event.type = handleObj.origType;

test/data/testinit.js

@@ -35,8 +35,8 @@ this.q = function() {
  * @param {String} a - Assertion name
  * @param {String} b - Sizzle selector
  * @param {String} c - Array of ids to construct what is expected
- * @example t("Check for something", "//[a]", ["foo", "baar"]);
- * @result returns true if "//[a]" return two elements with the IDs 'foo' and 'baar'
+ * @example t("Check for something", "//[a]", ["foo", "bar"]);
+ * @result returns true if "//[a]" return two elements with the IDs 'foo' and 'bar'
  */
 QUnit.assert.t = function( a, b, c ) {
 	var f = jQuery( b ).get(),

test/unit/event.js

@@ -882,7 +882,7 @@ QUnit.test( "withinElement implemented with jQuery.contains()", function( assert
 
 	} ).trigger( "mouseenter" );
 
-	jQuery( "#jc-inner" ).trigger( "mousenter" );
+	jQuery( "#jc-inner" ).trigger( "mouseenter" );
 
 	jQuery( "#jc-outer" ).off( "mouseenter mouseleave" ).remove();
 	jQuery( "#jc-inner" ).remove();

test/unit/selector.js

@@ -293,7 +293,7 @@ testIframe(
 
 		/**
 		 * Asserts that a select matches the given IDs
-		 * @example t("Check for something", "//[a]", ["foo", "baar"]);
+		 * @example t("Check for something", "//[a]", ["foo", "bar"]);
 		 * @param {String} a - Assertion name
 		 * @param {String} b - Sizzle selector
 		 * @param {Array} c - Array of ids to construct what is expected