function checkfocus()
{
alert("ok");
if (event.keyCode == 13)
{
alert("ok");
}
}
document.onkeydown = checkfocus;
{
alert("ok");
if (event.keyCode == 13)
{
alert("ok");
}
}
document.onkeydown = checkfocus;
调试欢乐多
js对大小写很敏感,要注意撒