1.<input onkeydown="if(event.keyCode==13)event.keyCode=9">
2.window.opener=null
window.close()//ie5.5以上不提示
3.window.open("a.htm","","fulscreen=yes")
2.window.opener=null
window.close()//ie5.5以上不提示
3.window.open("a.htm","","fulscreen=yes")
调试欢乐多
<body onkeydown="if(event.keyCode==9) event.keyCode='';if(event.keyCode==13) event.keyCode=9">
<input type=text>
<input type=text>
<input type=text>
<input type=text>
</body>第二三个问题同上。