src/event.js

@@ -3,15 +3,13 @@ define( [
 	"./var/document",
 	"./var/documentElement",
 	"./var/rnothtmlwhite",
-	"./var/rcheckableType",
 	"./var/slice",
 	"./data/var/dataPriv",
 	"./core/nodeName",
 
 	"./core/init",
 	"./selector"
-], function( jQuery, document, documentElement, rnothtmlwhite,
-             rcheckableType, slice, dataPriv, nodeName ) {
+], function( jQuery, document, documentElement, rnothtmlwhite, slice, dataPriv, nodeName ) {
 
 "use strict";
 
@@ -477,11 +475,9 @@ jQuery.event = {
 		},
 		click: {
 
-			// For checkable types, fire native event so checked state will be right
+			// For checkbox, fire native event so checked state will be right
 			trigger: function() {
-				if ( rcheckableType.test( this.type ) &&
-					this.click && nodeName( this, "input" ) ) {
-
+				if ( this.type === "checkbox" && this.click && nodeName( this, "input" ) ) {
 					this.click();
 					return false;
 				}

src/manipulation.js

@@ -2,8 +2,8 @@ define( [
 	"./core",
 	"./var/concat",
 	"./var/push",
-	"./var/rcheckableType",
 	"./core/access",
+	"./manipulation/var/rcheckableType",
 	"./manipulation/var/rtagName",
 	"./manipulation/var/rscriptType",
 	"./manipulation/wrapMap",
@@ -22,8 +22,8 @@ define( [
 	"./traversing",
 	"./selector",
 	"./event"
-], function( jQuery, concat, push, rcheckableType,
-	access, rtagName, rscriptType,
+], function( jQuery, concat, push, access,
+	rcheckableType, rtagName, rscriptType,
 	wrapMap, getAll, setGlobalEval, buildFragment, support,
 	dataPriv, dataUser, acceptData, DOMEval, nodeName ) {
 

src/serialize.js

@@ -1,6 +1,6 @@
 define( [
 	"./core",
-	"./var/rcheckableType",
+	"./manipulation/var/rcheckableType",
 	"./core/init",
 	"./traversing", // filter
 	"./attributes/prop"

test/unit/event.js

@@ -2364,48 +2364,33 @@ QUnit.test( "clone() delegated events (#11076)", function( assert ) {
 	clone.remove();
 } );
 
-QUnit.test( "checkbox state (#3827, gh-3423)", function( assert ) {
-	assert.expect( 17 );
+QUnit.test( "checkbox state (#3827)", function( assert ) {
+	assert.expect( 9 );
 
-	var cbParent = jQuery( "<div><input type=checkbox><div>" ).appendTo( "#qunit-fixture" ),
-		cb = cbParent.find( "input" )[ 0 ],
-		radioParent = jQuery(
-			"<div><input type=radio name=gh3423><input type=radio name=gh3423><div>"
-		).appendTo( "#qunit-fixture" ),
-		radio = radioParent.find( "input" )[ 0 ],
-		radio2 = radioParent.find( "input" )[ 1 ];
+	var markup = jQuery( "<div><input type=checkbox><div>" ).appendTo( "#qunit-fixture" ),
+		cb = markup.find( "input" )[ 0 ];
 
 	jQuery( cb ).on( "click", function() {
 		assert.equal( this.checked, false, "just-clicked checkbox is not checked" );
 	} );
-	cbParent.on( "click", function() {
+	markup.on( "click", function() {
 		assert.equal( cb.checked, false, "checkbox is not checked in bubbled event" );
 	} );
-	radioParent.on( "click", function() {
-		assert.equal( radio.checked, false, "radio is not checked in bubbled event" );
-	} );
 
 	// Native click
-	cb.checked = radio.checked = true;
+	cb.checked = true;
 	assert.equal( cb.checked, true, "native - checkbox is initially checked" );
-	assert.equal( radio.checked, true, "native - radio is initially checked" );
 	cb.click();
-	radio2.click();
 	assert.equal( cb.checked, false, "native - checkbox is no longer checked" );
-	assert.equal( radio.checked, false, "native - radio is no longer checked" );
 
 	// jQuery click
-	cb.checked = radio.checked = true;
-	assert.equal( cb.checked, true, ".trigger - checkbox is initially checked" );
-	assert.equal( radio.checked, true, ".trigger - radio is initially checked" );
-	jQuery( [ cb, radio2 ] ).trigger( "click" );
-	assert.equal( cb.checked, false, ".trigger - checkbox is no longer checked" );
-	assert.equal( radio.checked, false, ".trigger - radio is no longer checked" );
+	cb.checked = true;
+	assert.equal( cb.checked, true, "jQuery - checkbox is initially checked" );
+	jQuery( cb ).trigger( "click" );
+	assert.equal( cb.checked, false, "jQuery - checkbox is no longer checked" );
 
 	// Handlers only; checkbox state remains false
-	jQuery( [ cb, radio2 ] ).triggerHandler( "click" );
-	assert.equal( cb.checked, false, ".triggerHandler - checkbox is still unchecked" );
-	assert.equal( radio.checked, false, ".triggerHandler - radio is still unchecked" );
+	jQuery( cb ).triggerHandler( "click" );
 } );
 
 QUnit.test( "hover event no longer special since 1.9", function( assert ) {
@@ -2930,6 +2915,16 @@ QUnit.test( "originalEvent property for Chrome, Safari, Fx & Edge of simulated e
 	outer.off( "focusin" );
 } );
 
+QUnit.test( "trigger('click') on radio passes extra params", function( assert ) {
+	assert.expect( 1 );
+	var $radio = jQuery( "<input type='radio' />" ).appendTo( "#qunit-fixture" )
+		.on( "click", function( e, data ) {
+			assert.ok( data, "Trigger data is passed to radio click handler" );
+		} );
+
+	$radio.trigger( "click", [ true ] );
+} );
+
 QUnit[ jQuery.fn.click ? "test" : "skip" ]( "trigger() shortcuts", function( assert ) {
 	assert.expect( 5 );