Phantom touchend event after alert from click listener

Originator:mattcg
Number:rdar://12884944 Date Originated:14-Dec-2012 07:45 PM
Status:Open Resolved:
Product:Safari Product Version:As on iOS 6.1 beta 3
Classification: Reproducible:Always
 
Summary:

From the listener function of a touchend event on an element, dispatching a click event created using document.createEvent at that same element causes any click event listener on the element to be fired a second time after dismissing an alert and clicking anywhere else on the page.

Steps to Reproduce:

1. Load the attached test case in Safari on iOS 6.0 or 6.1 beta.
2. Tap the first button.
3. Dismiss the alert.
4. Tap the second button.

Expected Results:

Nothing happens.

Actual Results:

A second alert pops up.

Regression:

Replicable on iOS 5.1.

Notes:

The attached test case is also available at http://dev.labs.ft.com/matt/fastclick/tests/23-reduced.html.

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