摘要：
如何防止回车（enter）键提交表单，其实很简单，就一句话。onkeydown= "if(event.keyCode==13)return false;"把这句写在from标签里面就好了。下面介绍下javascript中event.keycode。keycode 8 = BackSpace BackSpacekeycode 9 = Tab Tabkeycode 12 = Clearkeycode 13 = Enterkeycode 16 = Shift_Lkeycode 17 = Control_Lkeycode 18 = Alt_Lkeycode 19 = Pauseke 阅读全文