Specifies whether the element shows a visual cue when it has focus.
Browser/User Agent Support
| IE | Netscape | Mozilla | Opera | Safari | 5.5+ | no | no | no | no |
|---|
Values
| true | Element does not show a visual cue. |
| false | Element shows a visual cue. |
本文档基于 CC协议（Creative Commons Share-Alike License）发布，是developer.mozilla.com, www.mozref.com和www.aptana.com共同劳动的成果。