diff --git a/api/columns().order().js b/api/columns().order().js
index 46b6488..f169848 100644
--- a/api/columns().order().js
+++ b/api/columns().order().js
@@ -38,7 +38,7 @@ $.fn.dataTable.Api.register( 'columns().order()', function ( dir ) {
     var a = [];
     
     for ( var i=0, ien=columns.length ; i<ien ; i++ ) {
-      a.push( [ columns[i], $.isArray(dir) ? dir[i] : dir ] );
+      a.push( [ columns[i], Array.isArray(dir) ? dir[i] : dir ] );
     }
     
     new $.fn.dataTable.Api( settings ).order( a );
diff --git a/buttons/button.download.js b/buttons/button.download.js
index 36de995..3620965 100644
--- a/buttons/button.download.js
+++ b/buttons/button.download.js
@@ -43,7 +43,7 @@
 			name = '';
 		}
 
-		if ($.isPlainObject(data) || $.isArray(data)) {
+		if ($.isPlainObject(data) || Array.isArray(data)) {
 			$.each(data, function(idx, val) {
 				if (name === '') {
 					flattenJson(val, idx, flattened);
diff --git a/features/lengthLinks/dataTables.lengthLinks.js b/features/lengthLinks/dataTables.lengthLinks.js
index 51a4690..8304eaf 100644
--- a/features/lengthLinks/dataTables.lengthLinks.js
+++ b/features/lengthLinks/dataTables.lengthLinks.js
@@ -58,8 +58,8 @@ $.fn.dataTable.LengthLinks = function ( inst ) {
 		}
 
 		var menu = settings.aLengthMenu;
-		var lang = menu.length===2 && $.isArray(menu[0]) ? menu[1] : menu;
-		var lens = menu.length===2 && $.isArray(menu[0]) ? menu[0] : menu;
+		var lang = menu.length===2 && Array.isArray(menu[0]) ? menu[1] : menu;
+		var lens = menu.length===2 && Array.isArray(menu[0]) ? menu[0] : menu;
 
 		var out = $.map( lens, function (el, i) {
 			return el == api.page.len() ?
diff --git a/sorting/absolute.js b/sorting/absolute.js
index 35587b3..f14ad5a 100644
--- a/sorting/absolute.js
+++ b/sorting/absolute.js
@@ -69,7 +69,7 @@ var _unique = 0;
 // Function to encapsulate code that is common to both the string and number
 // ordering plug-ins.
 var _setup = function ( values ) {
-	if ( ! $.isArray( values ) ) {
+	if ( ! Array.isArray( values ) ) {
 		values = [ values ];
 	}