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

Closes gh-2249

1 files changed, 13 insertions, 18 deletions

diff --git a/ui/widgets/tooltip.js b/ui/widgets/tooltip.js
index b626c5d10..d23da1922 100644
--- a/ui/widgets/tooltip.js
+++ b/ui/widgets/tooltip.js
@@ -227,25 +227,20 @@ $.widget( "ui.tooltip", {
 
 		content = contentOption.call( target[ 0 ], function( response ) {
 
-			// IE may instantly serve a cached response for ajax requests
-			// delay this call to _open so the other call to _open runs first
-			that._delay( function() {
-
-				// Ignore async response if tooltip was closed already
-				if ( !target.data( "ui-tooltip-open" ) ) {
-					return;
-				}
+			// Ignore async response if tooltip was closed already
+			if ( !target.data( "ui-tooltip-open" ) ) {
+				return;
+			}
 
-				// JQuery creates a special event for focusin when it doesn't
-				// exist natively. To improve performance, the native event
-				// object is reused and the type is changed. Therefore, we can't
-				// rely on the type being correct after the event finished
-				// bubbling, so we set it back to the previous value. (#8740)
-				if ( event ) {
-					event.type = eventType;
-				}
-				this._open( event, target, response );
-			} );
+			// JQuery creates a special event for focusin when it doesn't
+			// exist natively. To improve performance, the native event
+			// object is reused and the type is changed. Therefore, we can't
+			// rely on the type being correct after the event finished
+			// bubbling, so we set it back to the previous value. (#8740)
+			if ( event ) {
+				event.type = eventType;
+			}
+			that._open( event, target, response );
 		} );
 		if ( content ) {
 			this._open( event, target, content );