installed plugin Easy Digital Downloads version 3.1.0.3

wp-content/plugins/easy-digital-downloads/assets/js/admin/settings/tax-rates/collections/tax-rates.js

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+/* global Backbone */
+
+/**
+ * Internal dependencies.
+ */
+import TaxRate from './../models/tax-rate.js';
+
+/**
+ * A collection of multiple tax rates.
+ */
+const TaxRates = Backbone.Collection.extend( {
+	// Map the model.
+	model: TaxRate,
+
+	/**
+	 * Set initial state.
+	 */
+	initialize: function() {
+		this.showAll = false;
+		this.selected = [];
+	},
+} );
+
+export default TaxRates;