function addUser() {
    let data={}
    $.each($("-sharpaddUser").serializeArray(),function () {
        data[this.name]=this.value;
    })
    let userName=$("input[name="userName"]").val();
    let password=$("input[name="password"]").val();
    let password2=$("input[name="password2"]").val();
    let mobile=$("input[name="mobile"]").val();
    let remarks=$("input[name="remarks"]").val();
    let mobileReg=/^1[3|4|5|8][0-9]\d{4,8}$/i;
    if(userName.length==0){
        let formAlert=$("input[name="userName"]").next(".form-alert");
        formAlert.show();
        formAlert.html("");
    }
    if(password.length==0){
        let formAlert=$("input[name="password"]").next(".form-alert");
        formAlert.show();
        formAlert.html("");
    }
    if(password2.length==0){
        let formAlert=$("input[name="password2"]").next(".form-alert");
        formAlert.show();
        formAlert.html("");
    }else if(password2!==password){
        let formAlert=$("input[name="password2"]").next(".form-alert");
        formAlert.show();
        formAlert.html("");
    }
    if(remarks.length==0){
        let formAlert=$("input[name="remarks"]").next(".form-alert");
        formAlert.show();
        formAlert.html("");
    }
    if(mobile.length==0){
        let formAlert=$("input[name="mobile"]").next(".form-alert");
        formAlert.show();
        formAlert.html("");
    }else if(!mobileReg.test(mobile)){
        let formAlert=$("input[name="mobile"]").next(".form-alert");
        formAlert.show();
        formAlert.html("");
    }
    $.ajax({
        type : "POST",
        url : "/api/user/add",
        data :data,
        success : function(result) {
            $(".alert").show();
            if(result.msg==""){
                $(".alert").addClass("alert-success").removeClass("alert-danger");
            }
            $(".alert").text(result.msg);
            setTimeout(function () {
                $(".alert").hide();
            },3000)
            console.log(result)
        },
        error:function (result) {
            $(".alert").show();
            $(".alert").text(result.msg);
            setTimeout(function () {
                $(".alert").hide();
            },3000)
        }
    });
}

as in the above code, I wrote the form verification. How to ensure that after the verification is correct, then jump to ajax, and then jump directly to ajax