$("#txtIndexUsername").keypress(function(e){
if(!e) e = window.event;//火狐中是 window.event
if((e.keyCode || e.which) == 13){
//回车后要处理的逻辑
}
});$("#txtIndexUsername").keypress(function(e){
if(!e) e = window.event;//火狐中是 window.event
if((e.keyCode || e.which) == 13){
//回车后要处理的逻辑
}
});