} else if ( type === "undefined" || type === "boolean" ) {
if ( this.className ) {
// store className if set
- jQuery.data( this, "__className__", this.className );
+ jQuery._data( this, "__className__", this.className );
}
// toggle whole className
- this.className = this.className || value === false ? "" : jQuery.data( this, "__className__" ) || "";
+ this.className = this.className || value === false ? "" : jQuery._data( this, "__className__" ) || "";
}
});
},
(function( jQuery ) {
-var windowData = {},
- rbrace = /^(?:\{.*\}|\[.*\])$/;
+var rbrace = /^(?:\{.*\}|\[.*\])$/;
jQuery.extend({
cache: {},
},
hasData: function( elem ) {
- if ( elem.nodeType ) {
- elem = jQuery.cache[ elem[jQuery.expando] ];
- }
+ elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
return !!elem && !jQuery.isEmptyObject(elem);
},
- data: function( elem, name, data ) {
+ data: function( elem, name, data, pvt /* Internal Use Only */ ) {
if ( !jQuery.acceptData( elem ) ) {
return;
}
- elem = elem == window ?
- windowData :
- elem;
+ var internalKey = jQuery.expando, getByName = typeof name === "string", thisCache,
+
+ // We have to handle DOM nodes and JS objects differently because IE6-7
+ // can't GC object references properly across the DOM-JS boundary
+ isNode = elem.nodeType,
+
+ // Only DOM nodes need the global jQuery cache; JS object data is
+ // attached directly to the object so GC can occur automatically
+ cache = isNode ? jQuery.cache : elem,
- var isNode = elem.nodeType,
- id = isNode ? elem[ jQuery.expando ] : null,
- cache = jQuery.cache, thisCache;
+ // Only defining an ID for JS objects if its cache already exists allows
+ // the code to shortcut on the same path as a DOM node with no cache
+ id = isNode ? elem[ jQuery.expando ] : elem[ jQuery.expando ] && jQuery.expando;
- if ( isNode && !id && typeof name === "string" && data === undefined ) {
+ // Avoid doing any more work than we need to when trying to get data on an
+ // object that has no data at all
+ if ( (!id || (pvt && id && !cache[ id ][ internalKey ])) && getByName && data === undefined ) {
return;
}
- // Get the data from the object directly
- if ( !isNode ) {
- cache = elem;
+ if ( !id ) {
+ // Only DOM nodes need a new unique ID for each element since their data
+ // ends up in the global cache
+ if ( isNode ) {
+ elem[ jQuery.expando ] = id = ++jQuery.uuid;
+ } else {
+ id = jQuery.expando;
+ }
+ }
- // Compute a unique ID for the element
- } else if ( !id ) {
- elem[ jQuery.expando ] = id = ++jQuery.uuid;
+ if ( !cache[ id ] ) {
+ cache[ id ] = {};
}
- // Avoid generating a new cache unless none exists and we
- // want to manipulate it.
+ // An object can be passed to jQuery.data instead of a key/value pair; this gets
+ // shallow copied over onto the existing cache
if ( typeof name === "object" ) {
- if ( isNode ) {
+ if ( pvt ) {
+ cache[ id ][ internalKey ] = jQuery.extend(cache[ id ][ internalKey ], name);
+ } else {
cache[ id ] = jQuery.extend(cache[ id ], name);
+ }
+ }
- } else {
- jQuery.extend( cache, name );
+ thisCache = cache[ id ];
+
+ // Internal jQuery data is stored in a separate object inside the object's data
+ // cache in order to avoid key collisions between internal data and user-defined
+ // data
+ if ( pvt ) {
+ if ( !thisCache[ internalKey ] ) {
+ thisCache[ internalKey ] = {};
}
- } else if ( isNode && !cache[ id ] ) {
- cache[ id ] = {};
+ thisCache = thisCache[ internalKey ];
}
- thisCache = isNode ? cache[ id ] : cache;
-
- // Prevent overriding the named cache with undefined values
if ( data !== undefined ) {
thisCache[ name ] = data;
}
- return typeof name === "string" ? thisCache[ name ] : thisCache;
+ return getByName ? thisCache[ name ] : thisCache;
},
- removeData: function( elem, name ) {
+ removeData: function( elem, name, pvt /* Internal Use Only */ ) {
if ( !jQuery.acceptData( elem ) ) {
return;
}
- elem = elem == window ?
- windowData :
- elem;
+ var internalKey = jQuery.expando, isNode = elem.nodeType,
+
+ // See jQuery.data for more information
+ cache = isNode ? jQuery.cache : elem,
+
+ // See jQuery.data for more information
+ id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
- var isNode = elem.nodeType,
- id = isNode ? elem[ jQuery.expando ] : elem,
- cache = jQuery.cache,
- thisCache = isNode ? cache[ id ] : id;
+ // If there is already no cache entry for this object, there is no
+ // purpose in continuing
+ if ( !cache[ id ] ) {
+ return;
+ }
- // If we want to remove a specific section of the element's data
if ( name ) {
+ var thisCache = pvt ? cache[ id ][ internalKey ] : cache[ id ];
+
if ( thisCache ) {
- // Remove the section of cache data
delete thisCache[ name ];
- // If we've removed all the data, remove the element's cache
- if ( isNode && jQuery.isEmptyObject(thisCache) ) {
- jQuery.removeData( elem );
+ // If there is no data left in the cache, we want to continue
+ // and let the cache object itself get destroyed
+ if ( !jQuery.isEmptyObject(thisCache) ) {
+ return;
}
}
+ }
+
+ // See jQuery.data for more information
+ if ( pvt ) {
+ delete cache[ id ][ internalKey ];
+
+ // Don't destroy the parent cache unless the internal data object
+ // had been the only thing left in it
+ if ( !jQuery.isEmptyObject(cache[ id ]) ) {
+ return;
+ }
+ }
+
+ var internalCache = cache[ id ][ internalKey ];
- // Otherwise, we want to remove all of the element's data
+ // Browsers that fail expando deletion also refuse to delete expandos on
+ // the window, but it will allow it on all other JS objects; other browsers
+ // don't care
+ if ( jQuery.support.deleteExpando || cache != window ) {
+ delete cache[ id ];
} else {
- if ( isNode && jQuery.support.deleteExpando ) {
- delete elem[ jQuery.expando ];
+ cache[ id ] = null;
+ }
+ // We destroyed the entire user cache at once because it's faster than
+ // iterating through each key, but we need to continue to persist internal
+ // data if it existed
+ if ( internalCache ) {
+ cache[ id ] = {};
+ cache[ id ][ internalKey ] = internalCache;
+
+ // Otherwise, we need to eliminate the expando on the node to avoid
+ // false lookups in the cache for entries that no longer exist
+ } else if ( isNode ) {
+ // IE does not allow us to delete expando properties from nodes,
+ // nor does it have a removeAttribute function on Document nodes;
+ // we must handle all of these cases
+ if ( jQuery.support.deleteExpando ) {
+ delete elem[ jQuery.expando ];
} else if ( elem.removeAttribute ) {
elem.removeAttribute( jQuery.expando );
-
- // Completely remove the data cache
- } else if ( isNode ) {
- delete cache[ id ];
-
- // Remove all fields from the object
} else {
- for ( var n in elem ) {
- delete elem[ n ];
- }
+ elem[ jQuery.expando ] = null;
}
}
},
+ // For internal use only.
+ _data: function( elem, name, data ) {
+ return jQuery.data( elem, name, data, true );
+ },
+
// A method for determining if a DOM node can handle the data expando
acceptData: function( elem ) {
if ( elem.nodeName ) {
// Reset the inline display of this element to learn if it is
// being hidden by cascaded rules or not
- if ( !jQuery.data(elem, "olddisplay") && display === "none" ) {
+ if ( !jQuery._data(elem, "olddisplay") && display === "none" ) {
display = elem.style.display = "";
}
// in a stylesheet to whatever the default browser style is
// for such an element
if ( display === "" && jQuery.css( elem, "display" ) === "none" ) {
- jQuery.data(elem, "olddisplay", defaultDisplay(elem.nodeName));
+ jQuery._data(elem, "olddisplay", defaultDisplay(elem.nodeName));
}
}
display = elem.style.display;
if ( display === "" || display === "none" ) {
- elem.style.display = jQuery.data(elem, "olddisplay") || "";
+ elem.style.display = jQuery._data(elem, "olddisplay") || "";
}
}
for ( var i = 0, j = this.length; i < j; i++ ) {
var display = jQuery.css( this[i], "display" );
- if ( display !== "none" && !jQuery.data( this[i], "olddisplay" ) ) {
- jQuery.data( this[i], "olddisplay", display );
+ if ( display !== "none" && !jQuery._data( this[i], "olddisplay" ) ) {
+ jQuery._data( this[i], "olddisplay", display );
}
}
fcleanup = function( nm ) {
return nm.replace(rescape, "\\$&");
},
- focusCounts = { focusin: 0, focusout: 0 };
+ focusCounts = { focusin: 0, focusout: 0 },
+ eventKey = "events";
/*
* A number of helper functions used for managing events.
}
// Init the element's event structure
- var elemData = jQuery.data( elem );
+ var elemData = jQuery._data( elem );
// If no elemData is found then we must be trying to bind to one of the
// banned noData elements
return;
}
- // Use a key less likely to result in collisions for plain JS objects.
- // Fixes bug #7150.
- var eventKey = elem.nodeType ? "events" : "__events__",
- events = elemData[ eventKey ],
+ var events = elemData[ eventKey ],
eventHandle = elemData.handle;
if ( typeof events === "function" ) {
}
var ret, type, fn, j, i = 0, all, namespaces, namespace, special, eventType, handleObj, origType,
- eventKey = elem.nodeType ? "events" : "__events__",
- elemData = jQuery.data( elem ),
+ elemData = jQuery.hasData( elem ) && jQuery._data( elem ),
events = elemData && elemData[ eventKey ];
if ( !elemData || !events ) {
delete elemData.handle;
if ( typeof elemData === "function" ) {
- jQuery.removeData( elem, eventKey );
+ jQuery.removeData( elem, eventKey, true );
} else if ( jQuery.isEmptyObject( elemData ) ) {
- jQuery.removeData( elem );
+ jQuery.removeData( elem, undefined, true );
}
}
},
// Only trigger if we've ever bound an event for it
if ( jQuery.event.global[ type ] ) {
+ // XXX This code smells terrible. event.js should not be directly
+ // inspecting the data cache
jQuery.each( jQuery.cache, function() {
- if ( this.events && this.events[type] ) {
- jQuery.event.trigger( event, data, this.handle.elem );
+ // internalKey variable is just used to make it easier to find
+ // and potentially change this stuff later; currently it just
+ // points to jQuery.expando
+ var internalKey = jQuery.expando,
+ internalCache = this[ internalKey ];
+ if ( internalCache && internalCache.events && internalCache.events[type] ) {
+ jQuery.event.trigger( event, data, internalCache.handle.elem );
}
});
}
// Trigger the event, it is assumed that "handle" is a function
var handle = elem.nodeType ?
- jQuery.data( elem, "handle" ) :
- (jQuery.data( elem, "__events__" ) || {}).handle;
+ jQuery._data( elem, "handle" ) :
+ (jQuery._data( elem, eventKey ) || {}).handle;
if ( handle ) {
handle.apply( elem, data );
event.namespace = event.namespace || namespace_sort.join(".");
- events = jQuery.data(this, this.nodeType ? "events" : "__events__");
+ events = jQuery._data(this, eventKey);
if ( typeof events === "function" ) {
events = events.events;
return;
}
- data = jQuery.data( elem, "_change_data" );
+ data = jQuery._data( elem, "_change_data" );
val = getVal(elem);
// the current data will be also retrieved by beforeactivate
if ( e.type !== "focusout" || elem.type !== "radio" ) {
- jQuery.data( elem, "_change_data", val );
+ jQuery._data( elem, "_change_data", val );
}
if ( data === undefined || val === data ) {
// information
beforeactivate: function( e ) {
var elem = e.target;
- jQuery.data( elem, "_change_data", getVal(elem) );
+ jQuery._data( elem, "_change_data", getVal(elem) );
}
},
return this.click( jQuery.proxy( fn, function( event ) {
// Figure out which function to execute
- var lastToggle = ( jQuery.data( this, "lastToggle" + fn.guid ) || 0 ) % i;
- jQuery.data( this, "lastToggle" + fn.guid, lastToggle + 1 );
+ var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i;
+ jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 );
// Make sure that clicks stop
event.preventDefault();
var stop, maxLevel, related, match, handleObj, elem, j, i, l, data, close, namespace, ret,
elems = [],
selectors = [],
- events = jQuery.data( this, this.nodeType ? "events" : "__events__" );
+ events = jQuery._data( this, eventKey );
if ( typeof events === "function" ) {
events = events.events;
throw "Cloned data mismatch";
}
- var oldData = jQuery.data( orig[nodeIndex] ),
- curData = jQuery.data( this, oldData ),
- events = oldData && oldData.events;
-
- if ( events ) {
- delete curData.handle;
- curData.events = {};
-
- for ( var type in events ) {
- for ( var i = 0, l = events[ type ].length; i < l; i++ ) {
- jQuery.event.add( this, type, events[ type ][ i ], events[ type ][ i ].data );
+ var internalKey = jQuery.expando,
+ oldData = jQuery.data( orig[nodeIndex] ),
+ curData = jQuery.data( this, oldData );
+
+ // Switch to use the internal data object, if it exists, for the next
+ // stage of data copying
+ if ( (oldData = oldData[ internalKey ]) ) {
+ var events = oldData.events;
+ curData = curData[ internalKey ] = jQuery.extend({}, oldData);
+
+ if ( events ) {
+ delete curData.handle;
+ curData.events = {};
+
+ for ( var type in events ) {
+ for ( var i = 0, l = events[ type ].length; i < l; i++ ) {
+ jQuery.event.add( this, type, events[ type ][ i ], events[ type ][ i ].data );
+ }
}
}
}
},
cleanData: function( elems ) {
- var data, id, cache = jQuery.cache,
- special = jQuery.event.special,
+ var data, id, cache = jQuery.cache, internalKey = jQuery.expando, special = jQuery.event.special,
deleteExpando = jQuery.support.deleteExpando;
for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
id = elem[ jQuery.expando ];
if ( id ) {
- data = cache[ id ];
+ data = cache[ id ] && cache[ id ][ internalKey ];
if ( data && data.events ) {
for ( var type in data.events ) {
if ( special[ type ] ) {
jQuery.event.remove( elem, type );
+ // This is a shortcut to avoid jQuery.event.remove's overhead
} else {
jQuery.removeEvent( elem, type, data.handle );
}
}
type = (type || "fx") + "queue";
- var q = jQuery.data( elem, type );
+ var q = jQuery._data( elem, type );
// Speed up dequeue by getting out quickly if this is just a lookup
if ( !data ) {
}
if ( !q || jQuery.isArray(data) ) {
- q = jQuery.data( elem, type, jQuery.makeArray(data) );
+ q = jQuery._data( elem, type, jQuery.makeArray(data) );
} else {
q.push( data );
// toggleClass storage
e.toggleClass(true);
- ok( e.get(0).className === "", "Assert class is empty (data was empty)" );
+ ok( e[0].className === "", "Assert class is empty (data was empty)" );
e.addClass("testD testE");
ok( e.is(".testD.testE"), "Assert class present" );
e.toggleClass();
ok( !e.is(".testD.testE"), "Assert class not present" );
- ok( e.data('__className__') === 'testD testE', "Assert data was stored" );
+ ok( jQuery._data(e[0], '__className__') === 'testD testE', "Assert data was stored" );
e.toggleClass();
ok( e.is(".testD.testE"), "Assert class present (restored from data)" );
e.toggleClass(false);
e.toggleClass();
ok( e.is(".testD.testE"), "Assert class present (restored from data)" );
-
-
// Cleanup
e.removeClass("testD");
- e.removeData('__className__');
+ jQuery.removeData(e[0], '__className__', true);
};
test("toggleClass(String|boolean|undefined[, boolean])", function() {
// Cleanup
e.removeClass("test");
- e.removeData('__className__');
+ jQuery.removeData(e[0], '__className__', true);
});
test("addClass, removeClass, hasClass", function() {
-module("data");
+module("data", { teardown: moduleTeardown });
test("expando", function(){
- expect(6);
+ expect(1);
equals("expando" in jQuery, true, "jQuery is exposing the expando");
+});
- var obj = {};
- equals( jQuery.data(obj), obj, "jQuery.data(obj) returns the object");
- equals( jQuery.expando in obj, false, "jQuery.data(obj) did not add an expando to the object" );
+function dataTests (elem) {
+ // expect(32)
- obj = {};
- jQuery.data(obj, 'test');
- equals( jQuery.expando in obj, false, "jQuery.data(obj,key) did not add an expando to the object" );
+ function getCacheLength() {
+ var cacheLength = 0;
+ for (var i in jQuery.cache) {
+ ++cacheLength;
+ }
- obj = {};
- jQuery.data(obj, "foo", "bar");
- equals( jQuery.expando in obj, false, "jQuery.data(obj,key,value) did not add an expando to the object" );
- equals( obj.foo, "bar", "jQuery.data(obj,key,value) sets fields directly on the object." );
-});
+ return cacheLength;
+ }
-test("jQuery.acceptData", function() {
- expect(7);
+ equals( jQuery.data(elem, "foo"), undefined, "No data exists initially" );
+ strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees no data exists initially" );
- ok( jQuery.acceptData( document ), "document" );
- ok( jQuery.acceptData( document.documentElement ), "documentElement" );
- ok( jQuery.acceptData( {} ), "object" );
- ok( !jQuery.acceptData( document.createElement("embed") ), "embed" );
- ok( !jQuery.acceptData( document.createElement("applet") ), "applet" );
+ var dataObj = jQuery.data(elem);
+ equals( typeof dataObj, "object", "Calling data with no args gives us a data object reference" );
+ strictEqual( jQuery.data(elem), dataObj, "Calling jQuery.data returns the same data object when called multiple times" );
- var flash = document.createElement("object");
- flash.setAttribute("classid", "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000");
- ok( jQuery.acceptData( flash ), "flash" );
+ strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees no data exists even when an empty data obj exists" );
- var applet = document.createElement("object");
- applet.setAttribute("classid", "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93");
- ok( !jQuery.acceptData( applet ), "applet" );
-});
+ dataObj.foo = "bar";
+ equals( jQuery.data(elem, "foo"), "bar", "Data is readable by jQuery.data when set directly on a returned data object" );
-test("jQuery.data", function() {
- expect(15);
- var div = document.createElement("div");
+ strictEqual( jQuery.hasData(elem), true, "jQuery.hasData agrees data exists when data exists" );
- ok( jQuery.data(div, "test") === undefined, "Check for no data exists" );
+ jQuery.data(elem, "foo", "baz");
+ equals( jQuery.data(elem, "foo"), "baz", "Data can be changed by jQuery.data" );
+ equals( dataObj.foo, "baz", "Changes made through jQuery.data propagate to referenced data object" );
- jQuery.data(div, "test", "success");
- equals( jQuery.data(div, "test"), "success", "Check for added data" );
+ jQuery.data(elem, "foo", undefined);
+ equals( jQuery.data(elem, "foo"), "baz", "Data is not unset by passing undefined to jQuery.data" );
- ok( jQuery.data(div, "notexist") === undefined, "Check for no data exists" );
+ jQuery.data(elem, "foo", null);
+ strictEqual( jQuery.data(elem, "foo"), null, "Setting null using jQuery.data works OK" );
- var data = jQuery.data(div);
- same( data, { "test": "success" }, "Return complete data set" );
+ jQuery.data(elem, "foo", "foo1");
- jQuery.data(div, "test", "overwritten");
- equals( jQuery.data(div, "test"), "overwritten", "Check for overwritten data" );
+ jQuery.data(elem, { "bar" : "baz", "boom" : "bloz" });
+ strictEqual( jQuery.data(elem, "foo"), "foo1", "Passing an object extends the data object instead of replacing it" );
+ equals( jQuery.data(elem, "boom"), "bloz", "Extending the data object works" );
- jQuery.data(div, "test", undefined);
- equals( jQuery.data(div, "test"), "overwritten", "Check that data wasn't removed");
+ jQuery._data(elem, "foo", "foo2");
+ equals( jQuery._data(elem, "foo"), "foo2", "Setting internal data works" );
+ equals( jQuery.data(elem, "foo"), "foo1", "Setting internal data does not override user data" );
- jQuery.data(div, "test", null);
- ok( jQuery.data(div, "test") === null, "Check for null data");
+ var internalDataObj = jQuery.data(elem, jQuery.expando);
+ strictEqual( jQuery._data(elem), internalDataObj, "Internal data object is accessible via jQuery.expando property" );
+ notStrictEqual( dataObj, internalDataObj, "Internal data object is not the same as user data object" );
- jQuery.data(div, "test3", "orig");
- jQuery.data(div, { "test": "in", "test2": "in2" });
- equals( jQuery.data(div, "test"), "in", "Verify setting an object in data" );
- equals( jQuery.data(div, "test2"), "in2", "Verify setting an object in data" );
- equals( jQuery.data(div, "test3"), "orig", "Verify original not overwritten" );
+ strictEqual( elem.boom, undefined, "Data is never stored directly on the object" );
- var obj = {};
- jQuery.data( obj, "prop", true );
+ jQuery.removeData(elem, "foo");
+ strictEqual( jQuery.data(elem, "foo"), undefined, "jQuery.removeData removes single properties" );
- ok( obj.prop, "Data is being stored on the object" );
- equals( jQuery.data( obj, "prop" ), true, "Make sure the right value is retrieved" );
+ jQuery.removeData(elem);
+ strictEqual( jQuery.data(elem, jQuery.expando), internalDataObj, "jQuery.removeData does not remove internal data if it exists" );
- jQuery.data( window, "BAD", true );
- ok( !window[ jQuery.expando ], "Make sure there is no expando on the window object." );
- ok( !window.BAD, "And make sure that the property wasn't set directly on the window." );
- ok( jQuery.data( window, "BAD" ), "Make sure that the value was set." );
-});
+ jQuery.removeData(elem, undefined, true);
-test("jQuery.hasData", function() {
- expect(6);
+ strictEqual( jQuery.data(elem, jQuery.expando), undefined, "jQuery.removeData on internal data works" );
+ strictEqual( jQuery.hasData(elem), false, "jQuery.hasData agrees all data has been removed from object" );
+
+ jQuery._data(elem, "foo", "foo2");
+ strictEqual( jQuery.hasData(elem), true, "jQuery.hasData shows data exists even if it is only internal data" );
+
+ jQuery.data(elem, "foo", "foo1");
+ equals( jQuery._data(elem, "foo"), "foo2", "Setting user data does not override internal data" );
+
+ jQuery.removeData(elem, undefined, true);
+ equals( jQuery.data(elem, "foo"), "foo1", "jQuery.removeData for internal data does not remove user data" );
+
+ if (elem.nodeType) {
+ var oldCacheLength = getCacheLength();
+ jQuery.removeData(elem, "foo");
- function testData(obj) {
- equals( jQuery.hasData(obj), false, "No data exists" );
- jQuery.data( obj, "foo", "bar" );
- equals( jQuery.hasData(obj), true, "Data exists" );
- jQuery.removeData( obj, "foo" );
- equals( jQuery.hasData(obj), false, "Data was removed" );
+ equals( getCacheLength(), oldCacheLength - 1, "Removing the last item in the data object destroys it" );
}
+ else {
+ jQuery.removeData(elem, "foo");
+ var expected, actual;
+
+ if (jQuery.support.deleteExpando) {
+ expected = false;
+ actual = jQuery.expando in elem;
+ }
+ else {
+ expected = null;
+ actual = elem[ jQuery.expando ];
+ }
+
+ equals( actual, expected, "Removing the last item in the data object destroys it" );
+ }
+
+ jQuery.data(elem, "foo", "foo1");
+ jQuery._data(elem, "foo", "foo2");
+
+ equals( jQuery.data(elem, "foo"), "foo1", "(sanity check) Ensure data is set in user data object" );
+ equals( jQuery._data(elem, "foo"), "foo2", "(sanity check) Ensure data is set in internal data object" );
+
+ jQuery.removeData(elem, "foo", true);
+
+ strictEqual( jQuery.data(elem, jQuery.expando), undefined, "Removing the last item in internal data destroys the internal data object" );
+
+ jQuery._data(elem, "foo", "foo2");
+ equals( jQuery._data(elem, "foo"), "foo2", "(sanity check) Ensure data is set in internal data object" );
- testData(document.createElement('div'));
- testData({});
+ jQuery.removeData(elem, "foo");
+ equals( jQuery._data(elem, "foo"), "foo2", "(sanity check) jQuery.removeData for user data does not remove internal data" );
+
+ if (elem.nodeType) {
+ oldCacheLength = getCacheLength();
+ jQuery.removeData(elem, "foo", true);
+ equals( getCacheLength(), oldCacheLength - 1, "Removing the last item in the internal data object also destroys the user data object when it is empty" );
+ }
+ else {
+ jQuery.removeData(elem, "foo", true);
+
+ if (jQuery.support.deleteExpando) {
+ expected = false;
+ actual = jQuery.expando in elem;
+ }
+ else {
+ expected = null;
+ actual = elem[ jQuery.expando ];
+ }
+
+ equals( actual, expected, "Removing the last item in the internal data object also destroys the user data object when it is empty" );
+ }
+}
+
+test("jQuery.data", function() {
+ expect(128);
+
+ var div = document.createElement("div");
+
+ dataTests(div);
+ dataTests({});
+
+ // remove bound handlers from window object to stop potential false positives caused by fix for #5280 in
+ // transports/xhr.js
+ jQuery(window).unbind("unload");
+
+ dataTests(window);
+ dataTests(document);
+
+ // clean up unattached element
+ jQuery(div).remove();
+});
+
+test("jQuery.acceptData", function() {
+ expect(7);
+
+ ok( jQuery.acceptData( document ), "document" );
+ ok( jQuery.acceptData( document.documentElement ), "documentElement" );
+ ok( jQuery.acceptData( {} ), "object" );
+ ok( !jQuery.acceptData( document.createElement("embed") ), "embed" );
+ ok( !jQuery.acceptData( document.createElement("applet") ), "applet" );
+
+ var flash = document.createElement("object");
+ flash.setAttribute("classid", "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000");
+ ok( jQuery.acceptData( flash ), "flash" );
+
+ var applet = document.createElement("object");
+ applet.setAttribute("classid", "clsid:8AD9C840-044E-11D1-B3E9-00805F499D93");
+ ok( !jQuery.acceptData( applet ), "applet" );
});
test(".data()", function() {
var div = jQuery("#foo");
strictEqual( div.data("foo"), undefined, "Make sure that missing result is undefined" );
-
div.data("test", "success");
same( div.data(), {test: "success"}, "data() get the entire data object" );
strictEqual( div.data("foo"), undefined, "Make sure that missing result is still undefined" );
equals( nodiv.data(), null, "data() on empty set returns null" );
var obj = { foo: "bar" };
- equals( jQuery(obj).data(), obj, "Retrieve data object from a wrapped JS object (#7524)" );
+ deepEqual( jQuery(obj).data(), {}, "Retrieve data object from a wrapped JS object (#7524)" );
})
test(".data(String) and .data(String, Object)", function() {
equals( $elem.data('null',null).data('null'), null, "null's are preserved");
equals( $elem.data('emptyString','').data('emptyString'), '', "Empty strings are preserved");
equals( $elem.data('false',false).data('false'), false, "false's are preserved");
- equals( $elem.data('exists'), true, "Existing data is returned" );
+ equals( $elem.data('exists'), undefined, "Existing data is not returned" );
// Clean up
$elem.removeData();
- ok( jQuery.isEmptyObject( $elem[0] ), "removeData clears the object" );
+ deepEqual( $elem[0], {exists:true}, "removeData does not clear the object" );
+
+ // manually clean up detached elements
+ parent.remove();
});
test("data-* attributes", function() {
var obj = {test:"unset"},
jqobj = jQuery(obj);
+ jqobj.data("test", "unset");
jqobj.data({ "test": "in", "test2": "in2" });
- equals( obj.test, "in", "Verify setting an object on an object extends the object" );
- equals( obj.test2, "in2", "Verify setting an object on an object extends the object" );
+ equals( jQuery.data(obj).test, "in", "Verify setting an object on an object extends the data object" );
+ equals( obj.test2, undefined, "Verify setting an object on an object does not extend the object" );
+
+ // manually clean up detached elements
+ div.remove();
});
test("jQuery.removeData", function() {
- expect(7);
+ expect(6);
var div = jQuery("#foo")[0];
jQuery.data(div, "test", "testing");
jQuery.removeData(div, "test");
var obj = {};
jQuery.data(obj, "test", "testing");
- equals( obj.test, "testing", "verify data on plain object");
+ equals( jQuery(obj).data("test"), "testing", "verify data on plain object");
jQuery.removeData(obj, "test");
equals( jQuery.data(obj, "test"), undefined, "Check removal of data on plain object" );
- equals( obj.test, undefined, "Check removal of data directly from plain object" );
jQuery.data( window, "BAD", true );
jQuery.removeData( window, "BAD" );
div.removeData("test.foo");
equals( div.data("test.foo"), undefined, "Make sure data is intact" );
-});
+});
\ No newline at end of file
var div = jQuery("<div style='display:none'></div>").appendTo("#main");
equals( div.css("display"), "none", "Element is hidden by default" );
div.hide();
- ok( !div.data("olddisplay"), "olddisplay is undefined after hiding an already-hidden element" );
+ ok( !jQuery._data(div, "olddisplay"), "olddisplay is undefined after hiding an already-hidden element" );
div.show();
equals( div.css("display"), "block", "Show a double-hidden element" );
var div = jQuery("<div style='display:none'></div>").appendTo("#main");
equals( div.css("display"), "none", "Element is hidden by default" );
div.hide(1, function () {
- ok( !div.data("olddisplay"), "olddisplay is undefined after hiding an already-hidden element" );
+ ok( !jQuery._data(div, "olddisplay"), "olddisplay is undefined after hiding an already-hidden element" );
div.show(1, function () {
equals( div.css("display"), "block", "Show a double-hidden element" );
start();
};
jQuery("#firstp").bind("click", {foo: "bar"}, handler).click().unbind("click", handler);
- ok( !jQuery.data(jQuery("#firstp")[0], "events"), "Event handler unbound when using data." );
+ ok( !jQuery._data(jQuery("#firstp")[0], "events"), "Event handler unbound when using data." );
});
test("click(), with data", function() {
};
jQuery("#firstp").click({foo: "bar"}, handler).click().unbind("click", handler);
- ok( !jQuery.data(jQuery("#firstp")[0], "events"), "Event handler unbound when using data." );
+ ok( !jQuery._data(jQuery("#firstp")[0], "events"), "Event handler unbound when using data." );
});
test("bind(), with data, trigger with data", function() {
.bind("click", jQuery.proxy(handler1, thisObject)).click().unbind("click", handler1)
.bind("click", data, jQuery.proxy(handler2, thisObject)).click().unbind("click", handler2);
- ok( !jQuery.data(jQuery("#firstp")[0], "events"), "Event handler unbound when using different this object and data." );
+ ok( !jQuery._data(jQuery("#firstp")[0], "events"), "Event handler unbound when using different this object and data." );
});
test("bind(name, false), unbind(name, false)", function() {
}
});
- var events = jQuery(obj).data("__events__");
+ var events = jQuery._data(obj, "events");
ok( events, "Object has events bound." );
equals( obj.events, undefined, "Events object on plain objects is not events" );
equals( typeof events, "function", "'events' expando is a function on plain objects." );
// Make sure it doesn't complain when no events are found
jQuery(obj).unbind("test");
- equals( obj.__events__, undefined, "Make sure events object is removed" );
+ equals( obj && obj[ jQuery.expando ] &&
+ obj[ jQuery.expando ][ jQuery.expando ] &&
+ obj[ jQuery.expando ][ jQuery.expando ].events, undefined, "Make sure events object is removed" );
});
test("unbind(type)", function() {
equals( turn, 2, "Trying toggle with 3 functions, attempt 5 yields 2");
$div.unbind('click',fns[0]);
- var data = jQuery.data( $div[0], 'events' );
+ var data = jQuery._data( $div[0], 'events' );
ok( !data, "Unbinding one function from toggle unbinds them all");
// Test Multi-Toggles
equals( clicked, 2, "live with a context" );
// Make sure the event is actually stored on the context
- ok( jQuery.data(container, "events").live, "live with a context" );
+ ok( jQuery._data(container, "events").live, "live with a context" );
// Test unbinding with a different context
jQuery("#foo", container).die("click");
equals( clicked, 2, "delegate with a context" );
// Make sure the event is actually stored on the context
- ok( jQuery.data(container, "events").live, "delegate with a context" );
+ ok( jQuery._data(container, "events").live, "delegate with a context" );
// Test unbinding with a different context
jQuery("#main").undelegate("#foo", "click");
ok( true, "Resize event fired." );
}).resize().unbind("resize");
- ok( !jQuery(window).data("__events__"), "Make sure all the events are gone." );
+ ok( !jQuery._data(window, "__events__"), "Make sure all the events are gone." );
});
test("focusin bubbles", function() {