Method _decrementParentFormCounter

src/AutoNumeric.js:1381–1383

* Decrement the AutoNumeric form children count for the current `this.parentForm` form element. * * @private

()

     * @private
     */
    _decrementParentFormCounter() {
        this.parentForm.dataset.anCount--;
    }

    /**
     * Return `true` if the global form handler list exists on the `window` object.