watch-element-resize.js — Example

        var watchResize = new WatchElementResize(['id', 'id2']);

        watchResize.on('resize', function(evt) {
          // the DOM element
          var resized_element = evt.element.target;
          
          // the element offset (width, height, top, left) 
          var offset = evt.element.offset;
          
          // the window dimensions -- just in case you need
          var window_size = evt.window;
        });