代码如下:register.html
function play(){
document.getElementById("menu_item").style.display = "";
}
function noplay(){
document.getElementById("menu_item").style.display = "none";
}
function passwd(){
v
var btn = document.getElementById("a4");
var usne = document.getElementById("username");
var psw = document.getElementById("password");
var usneTips1 = document.getElementById("username-ti
