https://www.prinsenstichting.nl/js/deopbouwoperatingcompany/jquery…7nrV8FBSWVHgCn4-dn378zzHqaVQ3VAA7qZk6F2jff0

1$.validator.setDefaults({
2    onfocusout: function (e) {
3        this.element(e);
4    },
5    errorClass: "",
6    validClass: "",
7    highlight: function (element, errorClass, validClass) {
8        if ($(element).is("input[type=text],input[type=number],textarea")) {
9            $(element).addClass("is-invalid").removeClass("is-valid");
10            $(element.form).find("label[for=" + element.id + "]").addClass("is-invalid").removeClass("is-valid");
11        }
12        $(element.form).find("[data-valmsg-for=" + element.id + "]").addClass("invalid-feedback");
13    },
14    unhighlight: function (element, errorClass, validClass) {
15        if ($(element).is("input[type=text],input[type=number],textarea")) {
16            $(element).addClass("is-valid").removeClass("is-invalid");
17            $(element.form).find("label[for=" + element.id + "]").addClass("is-valid").removeClass("is-invalid");
18        }
19        $(element.form).find("[data-valmsg-for=" + element.id + "]").removeClass("invalid-feedback");
20    },
21});