reg.js

用Java开发的购物车程序!

function reg_check()
{
          var num = document.form1.elements.length
          var validFlag = true
          for (var i=0; i<num; i++) {
               if ((document.form1.elements[i].value == null ||
                   document.form1.elements[i].value == "") &&
                  (typeof document.form1.elements[i] != 'submit' ||
                   typeof document.form1.elements[i] != 'reset'))
 {
                    validFlag = false
                    alert("The " + document.form1.elements[i].name +
                         " 不能为空.")
                    break }
          }
if(document.form1.password1.value!=document.form1.password2.value)
{
validFlag=false;
alert("两次输入的密码不一样!");
}
          return validFlag

}