<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=GBK"> <title>表单校验.&l
//javascript代码 function valForm(){ var username=document.getElementById("username"); var pwd=document.getElementById("pwd"); var repwd=document.getElementById("repwd"); var email=document.getElementById("email"); va