diff --git a/source/Ox.UI/js/Code/Ox.SourceViewer.js b/source/Ox.UI/js/Code/Ox.SourceViewer.js
index 0413126d..36dae3f0 100644
--- a/source/Ox.UI/js/Code/Ox.SourceViewer.js
+++ b/source/Ox.UI/js/Code/Ox.SourceViewer.js
@@ -46,7 +46,7 @@ Ox.SourceViewer = function(options, self) {
             if (!/^\/\//.test(text)) {
                 if (type == 'comment') {
                     i && sections.push({comment: '', code: ''});
-                    text = Ox.sub(text, 2, -2);
+                    text = text.slice(2, -2);
                     self.options.replaceComment.forEach(function(replace) {
                         text = text.replace(replace[0], replace[1]);
                     });
diff --git a/source/Ox.UI/js/Core/Ox.URL.js b/source/Ox.UI/js/Core/Ox.URL.js
index cead8619..59edf95b 100644
--- a/source/Ox.UI/js/Core/Ox.URL.js
+++ b/source/Ox.UI/js/Core/Ox.URL.js
@@ -397,7 +397,7 @@ Ox.URL = function(options) {
                 var ret;
                 if (condition[0] == '(') {
                     // re-insert subcondition
-                    ret = parseFind(subconditions[parseInt(Ox.sub(condition, 1, -1))]);
+                    ret = parseFind(subconditions[parseInt(condition.slice(1, -1))]);
                 } else {
                     ret = parseCondition(condition);
                 }
diff --git a/source/Ox.UI/js/Video/Ox.VideoElement.js b/source/Ox.UI/js/Video/Ox.VideoElement.js
index c84f0484..b1129857 100644
--- a/source/Ox.UI/js/Video/Ox.VideoElement.js
+++ b/source/Ox.UI/js/Video/Ox.VideoElement.js
@@ -116,7 +116,7 @@ Ox.VideoElement = function(options, self) {
                         if (Ox.every(item.durations)) {
                             item.duration = Ox.sum(item.durations);
                             item.offsets = Ox.range(item.parts).map(function(i) {
-                                return Ox.sum(Ox.sub(item.durations, 0, i));
+                                return Ox.sum(item.durations.slice(0, i));
                             });
                             //Ox.Log('Video', 'METADATA OF', src, 'LOADED', item)
                             if (self.isPlaylist) {
diff --git a/source/Ox.UI/js/Window/Ox.Dialog.js b/source/Ox.UI/js/Window/Ox.Dialog.js
index a0ec5150..fb7e68a8 100644
--- a/source/Ox.UI/js/Window/Ox.Dialog.js
+++ b/source/Ox.UI/js/Window/Ox.Dialog.js
@@ -498,8 +498,8 @@ Ox.Dialog = function(options, self) {
             buttonsRight,
             index = Ox.indexOf(self.options.buttons, Ox.isEmpty);
         if (index) {
-            buttonsLeft = Ox.sub(self.options.buttons, 0, index);
-            buttonsRight = Ox.sub(self.options.buttons, index + 1);
+            buttonsLeft = self.options.buttons.slice(0, index);
+            buttonsRight = self.options.buttons.slice(index + 1);
         } else {
             buttonsLeft = [];
             buttonsRight = self.options.buttons;
diff --git a/source/Ox/js/Array.js b/source/Ox/js/Array.js
index 8e845c40..3944672f 100644
--- a/source/Ox/js/Array.js
+++ b/source/Ox/js/Array.js
@@ -214,8 +214,8 @@ Ox.api = function(items, options) {
                 }
                 if (options.range) {
                     // apply range
-                    result.data.items = Ox.sub(
-                        result.data.items, options.range[0], options.range[1]
+                    result.data.items = result.data.items.slice(
+                        options.range[0], options.range[1]
                     );
                 }
             }
diff --git a/source/Ox/js/Geo.js b/source/Ox/js/Geo.js
index 93c98ff1..dc189bf7 100644
--- a/source/Ox/js/Geo.js
+++ b/source/Ox/js/Geo.js
@@ -314,7 +314,7 @@
                 }
             };
         }
-        Ox.forEach(Ox.sub(areas, 1), function(parts) {
+        Ox.forEach(areas.slice(1), function(parts) {
             if (ret.length == 1 && parts.length == 1) {
                 ret = intersect(ret[0], parts[0]);
             } else {
@@ -383,7 +383,7 @@
             });
             return ret;
         }
-        Ox.sub(areas, 1).forEach(function(area) {
+        areas.slice(1).forEach(function(area) {
             var index, indices, intersections;
             if (area.sw.lat < ret.sw.lat) {
                 ret.sw.lat = area.sw.lat;
diff --git a/source/Ox/js/JavaScript.js b/source/Ox/js/JavaScript.js
index f6b760fb..fcebca11 100644
--- a/source/Ox/js/JavaScript.js
+++ b/source/Ox/js/JavaScript.js
@@ -280,7 +280,7 @@ Ox.doc = (function() {
             }
         });
         function unwrap(str) {
-            return (isArray = /^\[.+\]$/.test(str)) ? Ox.sub(str, 1, -1) : str;
+            return (isArray = /^\[.+\]$/.test(str)) ? str.slice(1, -1) : str;
         }
         function wrap(str) {
             return isArray ? '[' + str + 's' + ']' : str;