()
| 775 | // Accessing document.activeElement can throw unexpectedly |
| 776 | // https://bugs.jquery.com/ticket/13393 |
| 777 | function safeActiveElement() { |
| 778 | try { |
| 779 | return document.activeElement; |
| 780 | } catch ( err ) { } |
| 781 | } |
| 782 | |
| 783 | // Optimize for push.apply( _, NodeList ) |
| 784 | try { |