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501 BJavaScriptView Raw
1define( function() {
2
3"use strict";
4
5// A method for quickly swapping in/out CSS properties to get correct calculations.
6return function( elem, options, callback ) {
7 var ret, name,
8 old = {};
9
10 // Remember the old values, and insert the new ones
11 for ( name in options ) {
12 old[ name ] = elem.style[ name ];
13 elem.style[ name ] = options[ name ];
14 }
15
16 ret = callback.call( elem );
17
18 // Revert the old values
19 for ( name in options ) {
20 elem.style[ name ] = old[ name ];
21 }
22
23 return ret;
24};
25
26} );