Handle case where focus is quickly removed.

digitalBush · digitalBush · commit f80b31e33b79 · 2014-11-05T21:43:49.000-06:00
Couldn’t use `:focus` because of some issues with phantomjs. :( Closes #232
diff --git a/src/jquery.maskedinput.js b/src/jquery.maskedinput.js
@@ -398,6 +398,9 @@ $.fn.extend({
 					pos = checkVal();
 
 					caretTimeoutId = setTimeout(function(){
+                        if(input.get(0) !== document.activeElement){
+                            return;
+                        }
 						writeBuffer();
 						if (pos == mask.replace("?","").length) {
 							input.caret(0, pos);
