Fix #12868. Use native focus/blur to get event order right.

src/event.js

@@ -526,16 +526,34 @@ jQuery.event = {
 		click: {
 			// For checkbox, fire native event so checked state will be right
 			trigger: function() {
-				if ( jQuery.nodeName( this, "input") && this.type === "checkbox" && this.click ) {
+				if ( jQuery.nodeName( this, "input" ) && this.type === "checkbox" && this.click ) {
 					this.click();
 					return false;
 				}
 			}
 		},
 		focus: {
+			// Fire native event if possible so blur/focus sequence is correct
+			trigger: function() {
+				if ( this !== document.activeElement && this.focus ) {
+					try {
+						this.focus();
+						return false;
+					} catch ( e ) {
+						// IE<9 dies on focus to hidden element (#1486,#12518)
+						// If this happens, let .trigger() run the handlers
+					}
+				}
+			},
 			delegateType: "focusin"
 		},
 		blur: {
+			trigger: function() {
+				if ( this === document.activeElement && this.blur ) {
+					this.blur();
+					return false;
+				}
+			},
 			delegateType: "focusout"
 		},
 

test/unit/event.js

@@ -2860,6 +2860,50 @@ test("checkbox state (#3827)", function() {
 	jQuery( cb ).triggerHandler( "click" );
 });
 
+test("focus-blur order (#12868)", function() {
+	expect( 5 );
+
+	var $text = jQuery("#text1"),
+		$radio = jQuery("#radio1").focus(),
+		order;
+
+	// IE6-10 fire focus/blur events asynchronously; this is the resulting mess.
+	// IE's browser window must be topmost for this to work properly!!
+	stop();
+	$radio[0].focus();
+
+	setTimeout( function() {
+
+		$text
+			.on( "focus", function(){
+				equal( order++, 1, "text focus" );
+			})
+			.on( "blur", function(){
+				equal( order++, 0, "text blur" );
+			});
+		$radio
+			.on( "focus", function(){
+				equal( order++, 1, "radio focus" );
+			})
+			.on( "blur", function(){
+				equal( order++, 0, "radio blur" );
+			});
+
+		// Enabled input getting focus
+		order = 0;
+		equal( document.activeElement, $radio[0], "radio has focus" );
+		$text.focus();
+		setTimeout( function() {
+			equal( document.activeElement, $text[0], "text has focus" );
+
+			// Run handlers without native method on an input
+			order = 1;
+			$radio.triggerHandler( "focus" );
+			start();
+		}, 50 );
+	}, 50 );
+});
+
 test("fixHooks extensions", function() {
 	expect( 2 );