Function R

digit-recognizer/app/static/js/jquery-3.3.1.min.js:821–826

(e)

    var M = /[^\x20\t\r\n\f]+/g;

    function R(e) {
        var t = {};
        return w.each(e.match(M) || [], function (e, n) {
            t[n] = !0
        }), t
    }

    w.Callbacks = function (e) {
        e = "string" == typeof e ? R(e) : w.extend({}, e);