Added Array functions

Author: winternet-studio

src/Array.js

@@ -0,0 +1,55 @@
+/*
+This file contain Javascript functions related to arrays
+Copyright © 2006-2018 WinterNet Studio, Allan Jensen (www.winternet.no). All rights reserved.
+*/
+
+(function( Jjs, $, undefined ) {
+
+	Jjs.Array = {};
+	var me = Jjs.Array;
+
+	/**
+	 * Sort a "two-dimensional" array by a value in the subarrays
+	 *
+	 * @param {array} array - Array to be sorted
+	 * @param {string} sortBy - Name of key in subarray with value to sort by
+	 * @param {boolean} descending - Set to true to sort descendingly instead of ascendingly
+	 * @return {array}
+	 */
+	me.arrayColumnSort = function(array, sortBy, descending) {
+		return array.sort(dynamicSort(sortBy, descending));
+	};
+	function dynamicSort(property, descending) {
+		var sortOrder = 1;
+		if (descending) {
+			sortOrder = -1;
+			property = property.substr(1);
+		}
+		return function (a,b) {
+			var result = (a[property] < b[property]) ? -1 : (a[property] > b[property]) ? 1 : 0;
+			return result * sortOrder;
+		}
+	}
+
+	/**
+	 * Remove duplicates in an array
+	 *
+	 * Source: http://www.martienus.com/code/javascript-remove-duplicates-from-array.html
+	 *
+	 * @param {array} array - Array to be sorted
+	 * @return {array}
+	 */
+	me.uniqueArray = function(array) {
+		var r=new Array();
+		o:for(var i=0,n=array.length;i<n;i++) {
+			for(var x=0,y=r.length;x<y;x++) {
+				if(r[x]==array[i]) {
+					continue o;
+				}
+			}
+			r[r.length]=array[i];
+		}
+		return r;
+	};
+
+}( window.Jjs = window.Jjs || {}, jQuery ));