static getAutoNumericElement(domElementOrSelector) {
        const domElement = AutoNumericHelper.domElement(domElementOrSelector);

        if (!this.isManagedByAutoNumeric(domElement)) {
            return null;
        }

        return this._getFromGlobalList(domElement);
    }
Return the AutoNumeric object that manages the given DOM element.
This function also accepts a selector string.

@param {HTMLElement|string} domElementOrSelector Accepts either directly a DOM element to test, or a string selector (that will return one and only one element, if any)
@returns {null|AutoNumeric}