Ticket #6804. Adds a changeData event.

[jquery.git] / src / data.js

diff --git a/src/data.js b/src/data.js
index 109d556..f7af18d 100644 (file)
--- a/src/data.js
+++ b/src/data.js
@@ -1,9 +1,13 @@
-var expando = "jQuery" + now(), uuid = 0, windowData = {};
+var windowData = {};
 
 jQuery.extend({
        cache: {},
-       
-       expando: expando,
+
+       // Please use with caution
+       uuid: 0,
+
+       // Unique for each copy of jQuery on the page   
+       expando: "jQuery" + jQuery.now(),
 
        // The following elements throw uncatchable exceptions if you
        // attempt to add expando properties to them.
@@ -36,7 +40,7 @@ jQuery.extend({
 
                // Compute a unique ID for the element
                } else if ( !id ) {
-                       elem[ jQuery.expando ] = id = ++uuid;
+                       elem[ jQuery.expando ] = id = ++jQuery.uuid;
                }
 
                // Avoid generating a new cache unless none exists and we
@@ -125,6 +129,7 @@ jQuery.fn.extend({
                } else {
                        return this.trigger("setData" + parts[1] + "!", [parts[0], value]).each(function() {
                                jQuery.data( this, key, value );
+                               jQuery.event.trigger( "changeData" + parts[1] + "!", [parts[0], value], this );
                        });
                }
        },