- },
-
- // A method for quickly swapping in/out CSS properties to get correct calculations
- swap: function( elem, options, callback ) {
- var old = {};
-
- // Remember the old values, and insert the new ones
- for ( var name in options ) {
- old[ name ] = elem.style[ name ];
- elem.style[ name ] = options[ name ];
- }
-
- callback.call( elem );
-
- // Revert the old values
- for ( name in options ) {
- elem.style[ name ] = old[ name ];
- }
- }
-});