Fixed animating to 0% (Bug #1586).

diff --git a/src/fx.js b/src/fx.js
index d75f3d0..a143df6 100644 (file)
--- a/src/fx.js
+++ b/src/fx.js
@@ -105,8 +105,8 @@ jQuery.fn.extend({
 
                                                // We need to compute starting value
                                                if ( unit != "px" ) {
-                                                       self.style[ name ] = end + unit;
-                                                       start = (end / e.cur(true)) * start;
+                                                       self.style[ name ] = (end || 1) + unit;
+                                                       start = ((end || 1) / e.cur(true)) * start;
                                                        self.style[ name ] = start + unit;
                                                }