All: Drop support for IE & some other browsers (but mostly IE)

Closes gh-2249

2 files changed, 6 insertions, 41 deletions

diff --git a/tests/unit/dialog/core.js b/tests/unit/dialog/core.js
index cb0ee53e0..d307504b8 100644
--- a/tests/unit/dialog/core.js
+++ b/tests/unit/dialog/core.js
@@ -103,12 +103,6 @@ QUnit.test( "focus tabbable", function( assert ) {
 		};
 
 	function checkFocus( markup, options, testFn, next ) {
-
-		// Support: IE8
-		// For some reason the focus doesn't get set properly if we don't
-		// focus the body first.
-		$( "body" ).trigger( "focus" );
-
 		element = $( markup ).dialog( options );
 		setTimeout( function() {
 			testFn( function done() {
@@ -122,31 +116,12 @@ QUnit.test( "focus tabbable", function( assert ) {
 		checkFocus( "<div><input><input></div>", options, function( done ) {
 			var input = element.find( "input" ).last().trigger( "focus" ).trigger( "blur" );
 
-			// Support: IE 11+
-			// In IE in jQuery 3.4+ a sequence:
-			// $( inputNode ).trigger( "focus" ).trigger( "blur" ).trigger( "focus" )
-			// doesn't end up with a focused input. See:
-			// https://github.com/jquery/jquery/issues/4856
-			// However, in this test we only want to check that the last focused
-			// input receives the focus back when `_focusTabbable()` is called
-			// which in reality doesn't happen so quickly so let's avoid the issue
-			// by waiting a bit.
-			if ( document.documentMode ) {
-				setTimeout( function() {
-					focusTabbableAndAssert();
-				}, 500 );
-			} else {
-				focusTabbableAndAssert();
-			}
-
-			function focusTabbableAndAssert() {
-				element.dialog( "instance" )._focusTabbable();
-				setTimeout( function() {
-					assert.equal( document.activeElement, input[ 0 ],
-						"1. an element that was focused previously." );
-					done();
-				} );
-			}
+			element.dialog( "instance" )._focusTabbable();
+			setTimeout( function() {
+				assert.equal( document.activeElement, input[ 0 ],
+					"1. an element that was focused previously." );
+				done();
+			} );
 		}, step2 );
 	}
 
@@ -303,11 +278,6 @@ QUnit.test( "interaction between overlay and other dialogs", function( assert )
 		second = $( "<div><input id='input-2'></div>" ).testWidget(),
 		secondInput = second.find( "input" );
 
-	// Support: IE8
-	// For some reason the focus doesn't get set properly if we don't
-	// focus the body first.
-	$( "body" ).trigger( "focus" );
-
 	// Wait for the modal to init
 	setTimeout( function() {
 
diff --git a/tests/unit/dialog/methods.js b/tests/unit/dialog/methods.js
index 1de32194b..c3f360fb9 100644
--- a/tests/unit/dialog/methods.js
+++ b/tests/unit/dialog/methods.js
@@ -226,11 +226,6 @@ QUnit.test( "#8958: dialog can be opened while opening", function( assert ) {
 		}
 	} );
 
-	// Support: IE8
-	// For some reason the #favorite-animal input doesn't get focus if we don't
-	// focus the body first, causing the test to hang.
-	$( "body" ).trigger( "focus" );
-
 	$( "#favorite-animal" )
 
 		// We focus the input to start the test. Once it receives focus, the