js实现手机号码与登录密码，身份证验证

<script type="text/javascript">
        function checkform() {
            
            var re;
            var ss = document.getElementById('txtMobile').value;
            re = /^(1[358][0-9]{9})$/;
            if (re.test(ss)==false) {
                alert("手机号码输入不合法");
                return false; 
            }

            var id=document.getElementById("txtIDNUMBER").value;
            var reg = /(^\d{15}$)|(^\d{18}$)|(^\d{17}(\d|X|x)$)/;
            if (reg.test(id) === false) {
                alert("身份证输入不合法");
                return false;
             }
               
        }

function setpawd(){
    if ($(".pw_li input").val() == "") {
        alert("请输入登录密码")
    }else if($(".repw_li input").val() == ""){
        alert("请输入确认密码")
    }else {
        var paw1 = $(".pw_li input").val();
        var paw2 = $(".repw_li input").val();
        if (paw1 != paw2) {
            $(".repw_li input").empty();
            alert("两次密码不一致，请重新输入1")
        }
        if (paw1.length <= 6||paw1.length>=12) {
            $(".repw_li input").empty();
            alert("密码长度要大于等于6，小于12.")
        }
        if (paw1.length >= 8&&paw1.length<=12) {
            var letter = 0, num = 0;
            for (var a = 0; a < paw1.length; a++) {
                if ((paw1[a] >= 'A' && paw1[a] <= 'Z') || (paw1[a] >= 'a' && paw1[a] <= 'z')) letter++;
                else if (paw1[a] >= '0' && paw1[a] <= '9') num++;
            }
            if (letter && num) {
                $.ajax({
                    url: 'h5_updatePwd.html',
                    type: 'post',
                    data: 'password=' + paw1 ,
                    async: false, //默认为true 异步
                    error: function () {
                        alert("查询异常");
                        window.location.href = "setPass.html";
                    },
                    success: function (data) {
                        var flag = JSON.stringify(data.success);
                        if (flag == 'true') {
                            $.toptip(JSON.stringify(data.content), 3000, 'error');
                            window.location.href = "login_h5.html";
                        }
                        else {
                            $.toptip(JSON.stringify(data.content), 3000, 'error');
                        }
                    }
                });

            } else {
                $(".repw_li input").empty();
                alert("密码要求数字与字母组合，请重新输入！");
            }
        }
    }
}

</script>