Merge commit 'a334bc951e2b4abc0bd310203d34843f63b034ac'

Author: d

README.md

@@ -118,14 +118,14 @@ $(function () {
 - `animate` - turns animation on (default: `false`)
 - `auto` - if `false` it tells to do not initialize existing items (default: `true`)
 - `cell_height` - one cell height (default: `60`)
-- `draggable` - allows to owerride jQuery UI draggable options. (default: `{handle: '.grid-stack-item-content', scroll: true, appendTo: 'body'}`) 
+- `draggable` - allows to override jQuery UI draggable options. (default: `{handle: '.grid-stack-item-content', scroll: true, appendTo: 'body'}`) 
 - `handle` - draggable handle selector (default: `'.grid-stack-item-content'`)
 - `height` - maximum rows amount. Default is `0` which means no maximum rows
 - `float` - enable floating widgets (default: `false`) See [example](http://troolee.github.io/gridstack.js/demo/float.html)
 - `item_class` - widget class (default: `'grid-stack-item'`)
 - `min_width` - minimal width. If window width is less grid will be shown in one-column mode (default: `768`)
 - `placeholder_class` - class for placeholder (default: `'grid-stack-placeholder'`)
-- `resizable` - allows to owerride jQuery UI resizable options. (default: `{autoHide: true, handles: 'se'}`)
+- `resizable` - allows to override jQuery UI resizable options. (default: `{autoHide: true, handles: 'se'}`)
 - `vertical_margin` - vertical gap size (default: `20`)
 - `width` - amount of columns (default: `12`)
 

src/gridstack.js

@@ -550,7 +550,7 @@
     };
 
     GridStack.prototype._is_one_column_mode = function () {
-        return $(window).width() <= this.opts.min_width;
+        return (window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth) <= this.opts.min_width;
     };
 
     GridStack.prototype._prepare_element = function (el) {