diff --git a/src/iiiftilesource.js b/src/iiiftilesource.js
index a18a9a2b..8c1da291 100644
--- a/src/iiiftilesource.js
+++ b/src/iiiftilesource.js
@@ -98,9 +98,9 @@ $.IIIFTileSource = function( options ){
     }
 
     if ( !options.maxLevel ) {
-        if ( !this.scale_factors ) { 
-            options.maxLevel = Number( Math.ceil( Math.log( Math.max( this.width, this.height ), 2 ) ) ); 
-        } else { 
+        if ( !this.scale_factors ) {
+            options.maxLevel = Number( Math.ceil( Math.log( Math.max( this.width, this.height ), 2 ) ) );
+        } else {
             options.maxLevel = Math.floor( Math.pow( Math.max.apply(null, this.scale_factors), 0.5) );
         }
     }
@@ -128,7 +128,7 @@ $.extend( $.IIIFTileSource.prototype, $.TileSource.prototype, /** @lends OpenSea
             return true;
 
         // Version 1.0
-        } else if ( data.profile && 
+        } else if ( data.profile &&
             data.profile.indexOf("http://library.stanford.edu/iiif/image-api/compliance.html") === 0) {
             return true;
         } else if ( data.identifier && data.width && data.height ) {
@@ -166,7 +166,7 @@ $.extend( $.IIIFTileSource.prototype, $.TileSource.prototype, /** @lends OpenSea
     configure: function( data, url ){
         // Try to deduce our version and fake it upwards if needed
         if ( !$.isPlainObject(data) ) {
-            var options = configureFromXml10( data );            
+            var options = configureFromXml10( data );
             options['@context'] = "http://iiif.io/api/image/1.0/context.json";
             options['@id'] = url.replace('/info.xml', '');
             return options;
diff --git a/src/tilesource.js b/src/tilesource.js
index 9fc1f7d8..deecc742 100644
--- a/src/tilesource.js
+++ b/src/tilesource.js
@@ -263,7 +263,7 @@ $.TileSource.prototype = /** @lends OpenSeadragon.TileSource.prototype */{
             tiles;
         for( i = this.minLevel; i < this.maxLevel; i++ ){
             tiles = this.getNumTiles( i );
-            tilesPerSide = Math.floor( Math.max( rect.x, rect.y ) / this.getTileSize(i) );            
+            tilesPerSide = Math.floor( Math.max( rect.x, rect.y ) / this.getTileSize(i) );
             if( Math.max( tiles.x, tiles.y ) + 1 >= tilesPerSide ){
                 break;
             }
diff --git a/src/viewport.js b/src/viewport.js
index 7bceb9d8..38ecfa27 100644
--- a/src/viewport.js
+++ b/src/viewport.js
@@ -326,7 +326,7 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
      * @param {OpenSeadragon.Rect} bounds
      * @param {Boolean} immediately
      * @return {OpenSeadragon.Rect} constrained bounds.
-     */    
+     */
     _applyBoundaryConstraints: function( bounds, immediately ) {
         var horizontalThreshold,
             verticalThreshold,
@@ -402,9 +402,9 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
             this.viewer.raiseEvent( 'constrain', {
                 immediately: immediately
             });
-        }        
+        }
         
-        return newBounds;    
+        return newBounds;
     },
     
     /**
@@ -523,7 +523,7 @@ $.Viewport.prototype = /** @lends OpenSeadragon.Viewport.prototype */{
         );
         
         return this.zoomTo( newZoom, referencePoint, immediately );
-    },    
+    },
     
     /**
      * @function