diff --git a/eqjs/eqjs.d.ts b/eqjs/eqjs.d.ts
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--- /dev/null
+++ b/eqjs/eqjs.d.ts
@@ -0,0 +1,66 @@
+// Type definitions for eq.js
+// Project: https://github.com/Snugug/eq.js
+// Definitions by: Stephen Lautier <https://github.com/stephenlautier>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+declare var eqjs: eqjs.EqjsStatic;
+
+ // Support AMD require
+declare module 'eqjs' {
+	export = eqjs;
+}
+
+declare module eqjs {
+
+	interface EqjsStatic {
+	
+		/**
+		 * List of all nodes.
+		 */
+		nodes: EqjsNodesTable;
+
+		/**
+		 * Number of nodes in eqjs.nodes.
+		 */
+		nodesLength: number;
+
+		/**
+		 * Runs through all nodes and finds their widths and points
+		 * @param nodes 
+		 * @param callback function to use as a callback once query and nodeWrites have finished
+		 */
+		query(nodes: HTMLElement[]|JQuery, callback?: Function): void;
+
+		/**
+		 *  Refreshes the list of nodes for eqjs to work with
+		 */
+		refreshNodes(): void;
+
+		/**
+		 * Sorts a simple object (key: value) by value and returns a sorted object.
+		 * @param obj e.g. "small: 380, medium: 490, large: 600"
+		 * @returns {}
+		 */
+		sortObj(obj: string): EqjsKeyValuePair;
+
+		/**
+		 * Runs through all nodes and writes their eq status.
+		 * @param nodes An array or NodeList of nodes to query
+		 * @returns {} 
+		 */
+		nodeWrites(nodes?: HTMLElement[]|JQuery);
+	}
+
+	interface EqjsKeyValuePair {
+		key: string;
+		value: number;
+	}
+
+	interface EqjsNodesTable {
+		[key: string]: HTMLElement;
+	}
+	
+}
+
+// Support jQuery selectors.
+interface JQuery { }
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