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2.0: Rewrite data.js (Incl. event, manipulation, tests)

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This commit is contained in:
Rick Waldron
2013-02-03 15:27:55 -05:00
parent ed0e2d1e8a
commit 7f94a5cc3a
7 changed files with 361 additions and 365 deletions
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457
src/data.js
View File

@@ -1,237 +1,201 @@
var rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
var data_user, data_priv,
rbrace = /(?:\{[\s\S]*\}|\[[\s\S]*\])$/,
rmultiDash = /([A-Z])/g;
function internalData( elem, name, data, pvt ) {
if ( !jQuery.acceptData( elem ) ) {
return;
}
var thisCache, ret,
internalKey = jQuery.expando,
getByName = typeof name === "string",
// 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,
// 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[ internalKey ] : elem[ internalKey ] && internalKey;
// 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 || !cache[id] || (!pvt && !cache[id].data)) && getByName && data === undefined ) {
return;
}
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[ internalKey ] = id = core_deletedIds.pop() || jQuery.guid++;
} else {
id = internalKey;
}
}
if ( !cache[ id ] ) {
cache[ id ] = {};
// Avoids exposing jQuery metadata on plain JS objects when the object
// is serialized using JSON.stringify
if ( !isNode ) {
cache[ id ].toJSON = jQuery.noop;
}
}
// 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" || typeof name === "function" ) {
if ( pvt ) {
cache[ id ] = jQuery.extend( cache[ id ], name );
} else {
cache[ id ].data = jQuery.extend( cache[ id ].data, name );
}
}
thisCache = cache[ id ];
// jQuery data() is stored in a separate object inside the object's internal data
// cache in order to avoid key collisions between internal data and user-defined
// data.
if ( !pvt ) {
if ( !thisCache.data ) {
thisCache.data = {};
}
thisCache = thisCache.data;
}
if ( data !== undefined ) {
thisCache[ jQuery.camelCase( name ) ] = data;
}
// Check for both converted-to-camel and non-converted data property names
// If a data property was specified
if ( getByName ) {
// First Try to find as-is property data
ret = thisCache[ name ];
// Test for null|undefined property data
if ( ret == null ) {
// Try to find the camelCased property
ret = thisCache[ jQuery.camelCase( name ) ];
}
} else {
ret = thisCache;
}
return ret;
function Data() {
// Nodes|Objects
this.owners = [];
// Data objects
this.cache = [];
}
function internalRemoveData( elem, name, pvt ) {
if ( !jQuery.acceptData( elem ) ) {
return;
}
Data.index = function( array, node ) {
return array.indexOf( node );
};
var thisCache, i, l,
isNode = elem.nodeType,
Data.prototype = {
add: function( owner ) {
this.owners.push( owner );
return (this.cache[ this.owners.length - 1 ] = {});
},
set: function( owner, data, value ) {
var prop,
index = Data.index( this.owners, owner );
// See jQuery.data for more information
cache = isNode ? jQuery.cache : elem,
id = isNode ? elem[ jQuery.expando ] : jQuery.expando;
// If there is no entry for this "owner", create one inline
// and set the index as though an owner entry had always existed
if ( index === -1 ) {
this.add( owner );
index = this.owners.length - 1;
}
// Handle: [ owner, key, value ] args
if ( typeof data === "string" ) {
this.cache[ index ][ data ] = value;
// If there is already no cache entry for this object, there is no
// purpose in continuing
if ( !cache[ id ] ) {
return;
}
// Handle: [ owner, { properties } ] args
} else {
// In the case where there was actually no "owner" entry and
// this.add( owner ) was called to create one, there will be
// a corresponding empty plain object in the cache.
if ( jQuery.isEmptyObject( this.cache[ index ] ) ) {
this.cache[ index ] = data;
if ( name ) {
thisCache = pvt ? cache[ id ] : cache[ id ].data;
if ( thisCache ) {
// Support array or space separated string names for data keys
if ( !jQuery.isArray( name ) ) {
// try the string as a key before any manipulation
if ( name in thisCache ) {
name = [ name ];
} else {
// split the camel cased version by spaces unless a key with the spaces exists
name = jQuery.camelCase( name );
if ( name in thisCache ) {
name = [ name ];
} else {
name = name.split(" ");
}
}
// Otherwise, copy the properties one-by-one to the cache object
} else {
// If "name" is an array of keys...
// When data is initially created, via ("key", "val") signature,
// keys will be converted to camelCase.
// Since there is no way to tell _how_ a key was added, remove
// both plain key and camelCase key. #12786
// This will only penalize the array argument path.
name = name.concat( jQuery.map( name, jQuery.camelCase ) );
}
for ( i = 0, l = name.length; i < l; i++ ) {
delete thisCache[ name[i] ];
}
// If there is no data left in the cache, we want to continue
// and let the cache object itself get destroyed
if ( !( pvt ? isEmptyDataObject : jQuery.isEmptyObject )( thisCache ) ) {
return;
for ( prop in data ) {
this.cache[ index ][ prop ] = data[ prop ];
}
}
}
}
return this;
},
get: function( owner, key ) {
var cache,
index = Data.index( this.owners, owner );
// See jQuery.data for more information
if ( !pvt ) {
delete cache[ id ].data;
// A valid cache is found, or needs to be created.
// New entries will be added and return the current
// empty data object to be used as a return reference
// return this.add( owner );
// This logic was required by expectations made of the
// old data system.
cache = index === -1 ?
this.add( owner ) : this.cache[ index ];
// Don't destroy the parent cache unless the internal data object
// had been the only thing left in it
if ( !isEmptyDataObject( cache[ id ] ) ) {
return;
return key === undefined ?
cache : cache[ key ];
},
access: function( owner, key, value ) {
if ( value === undefined && (key && typeof key !== "object") ) {
// Assume this is a request to read the cached data
return this.get( owner, key );
} else {
// If only an owner was specified, return the entire
// cache object.
if ( key === undefined ) {
return this.get( owner );
}
// Allow setting or extending (existing objects) with an
// object of properties, or a key and val
this.set( owner, key, value );
return value !== undefined ? value : key;
}
// Otherwise, this is a read request.
return this.get( owner, key );
},
remove: function( owner, key ) {
var i, l, name,
camel = jQuery.camelCase,
index = Data.index( this.owners, owner ),
cache = this.cache[ index ];
if ( key === undefined ) {
cache = {};
} else {
if ( cache ) {
// Support array or space separated string of keys
if ( !Array.isArray( key ) ) {
// Try the string as a key before any manipulation
//
if ( key in cache ) {
name = [ key ];
} else {
// Split the camel cased version by spaces unless a key with the spaces exists
name = camel( key );
name = name in cache ?
[ name ] : name.split(" ");
}
} else {
// If "name" is an array of keys...
// When data is initially created, via ("key", "val") signature,
// keys will be converted to camelCase.
// Since there is no way to tell _how_ a key was added, remove
// both plain key and camelCase key. #12786
// This will only penalize the array argument path.
name = key.concat( key.map( camel ) );
}
i = 0;
l = name.length;
for ( ; i < l; i++ ) {
delete cache[ name[i] ];
}
}
}
this.cache[ index ] = cache;
},
hasData: function( owner ) {
var index = Data.index( this.owners, owner );
if ( index > -1 ) {
return !jQuery.isEmptyObject( this.cache[ index ] );
}
return false;
},
discard: function( owner ) {
var index = Data.index( this.owners, owner );
if ( index >= 0 ) {
this.owners.splice( index, 1 );
this.cache.splice( index, 1 );
}
return this;
}
};
// Destroy the cache
if ( isNode ) {
jQuery.cleanData( [ elem ], true );
// Use delete when supported for expandos or `cache` is not a window per isWindow (#10080)
} else if ( jQuery.support.deleteExpando || cache != cache.window ) {
delete cache[ id ];
// When all else fails, null
} else {
cache[ id ] = null;
}
// This will be used by remove()/cleanData() in manipulation to sever
// remaining references to node objects. One day we'll replace the dual
// arrays with a WeakMap and this won't be an issue.
// (Splices the data objects out of the internal cache arrays)
function data_discard( owner ) {
data_user.discard( owner );
data_priv.discard( owner );
}
// These may be used throughout the jQuery core codebase
data_user = new Data();
data_priv = new Data();
jQuery.extend({
cache: {},
// This is no longer relevant to jQuery core, but must remain
// supported for the sake of jQuery 1.9.x API surface compatibility.
acceptData: function() {
return true;
},
// Unique for each copy of jQuery on the page
// Non-digits removed to match rinlinejQuery
expando: "jQuery" + ( core_version + Math.random() ).replace( /\D/g, "" ),
// The following elements throw uncatchable exceptions if you
// attempt to add expando properties to them.
noData: {
"embed": true,
// Ban all objects except for Flash (which handle expandos)
"object": "clsid:D27CDB6E-AE6D-11cf-96B8-444553540000",
"applet": true
},
hasData: function( elem ) {
elem = elem.nodeType ? jQuery.cache[ elem[jQuery.expando] ] : elem[ jQuery.expando ];
return !!elem && !isEmptyDataObject( elem );
return data_user.hasData( elem ) || data_priv.hasData( elem );
},
data: function( elem, name, data ) {
return internalData( elem, name, data );
return data_user.access( elem, name, data );
},
removeData: function( elem, name ) {
return internalRemoveData( elem, name );
return data_user.remove( elem, name );
},
// For internal use only.
// TODO: Replace all calls to _data and _removeData with direct
// calls to
//
// data_priv.access( elem, name, data );
//
// data_priv.remove( elem, name );
//
_data: function( elem, name, data ) {
return internalData( elem, name, data, true );
return data_priv.access( elem, name, data );
},
_removeData: function( elem, name ) {
return internalRemoveData( elem, name, true );
},
// A method for determining if a DOM node can handle the data expando
acceptData: function( elem ) {
// Do not set data on non-element because it will not be cleared (#8335).
if ( elem.nodeType && elem.nodeType !== 1 && elem.nodeType !== 9 ) {
return false;
}
var noData = elem.nodeName && jQuery.noData[ elem.nodeName.toLowerCase() ];
// nodes accept data unless otherwise specified; rejection can be conditional
return !noData || noData !== true && elem.getAttribute("classid") === noData;
return data_priv.remove( elem, name );
}
});
@@ -245,20 +209,19 @@ jQuery.fn.extend({
// Gets all values
if ( key === undefined ) {
if ( this.length ) {
data = jQuery.data( elem );
data = data_user.get( elem );
if ( elem.nodeType === 1 && !jQuery._data( elem, "parsedAttrs" ) ) {
if ( elem.nodeType === 1 && !data_priv.get( elem, "hasDataAttrs" ) ) {
attrs = elem.attributes;
for ( ; i < attrs.length; i++ ) {
name = attrs[i].name;
if ( !name.indexOf( "data-" ) ) {
name = jQuery.camelCase( name.slice(5) );
if ( name.indexOf( "data-" ) === 0 ) {
name = jQuery.camelCase( name.substring(5) );
dataAttr( elem, name, data[ name ] );
}
}
jQuery._data( elem, "parsedAttrs", true );
data_priv.set( elem, "hasDataAttrs", true );
}
}
@@ -268,53 +231,94 @@ jQuery.fn.extend({
// Sets multiple values
if ( typeof key === "object" ) {
return this.each(function() {
jQuery.data( this, key );
data_user.set( this, key );
});
}
return jQuery.access( this, function( value ) {
var data,
camelKey = jQuery.camelCase( key );
// Get the Data...
if ( value === undefined ) {
// Try to fetch any internally stored data first
return elem ? dataAttr( elem, key, jQuery.data( elem, key ) ) : null;
// Attempt to get data from the cache
// with the key as-is
data = data_user.get( elem, key );
if ( data !== undefined ) {
return data;
}
// Attempt to "discover" the data in
// HTML5 custom data-* attrs
data = dataAttr( elem, key, undefined );
if ( data !== undefined ) {
return data;
}
// As a last resort, attempt to find
// the data by checking AGAIN, but with
// a camelCased key.
data = data_user.get( elem, camelKey );
if ( data !== undefined ) {
return data;
}
// We tried really hard, but the data doesn't exist.
return undefined;
}
// Set the data...
this.each(function() {
jQuery.data( this, key, value );
// First, attempt to store a copy or reference of any
// data that might've been store with a camelCased key.
var data = data_user.get( this, camelKey );
// For HTML5 data-* attribute interop, we have to
// store property names with dashes in a camelCase form.
// This might not apply to all properties...*
data_user.set( this, camelKey, value );
// *... In the case of properties that might ACTUALLY
// have dashes, we need to also store a copy of that
// unchanged property.
if ( /-/.test( key ) && data !== undefined ) {
data_user.set( this, key, value );
}
});
}, null, value, arguments.length > 1, null, true );
},
removeData: function( key ) {
return this.each(function() {
jQuery.removeData( this, key );
data_user.remove( this, key );
});
}
});
function dataAttr( elem, key, data ) {
var name;
// If nothing was found internally, try to fetch any
// data from the HTML5 data-* attribute
if ( data === undefined && elem.nodeType === 1 ) {
var name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
name = "data-" + key.replace( rmultiDash, "-$1" ).toLowerCase();
data = elem.getAttribute( name );
if ( typeof data === "string" ) {
try {
data = data === "true" ? true :
data === "false" ? false :
data === "null" ? null :
// Only convert to a number if it doesn't change the string
+data + "" === data ? +data :
rbrace.test( data ) ? jQuery.parseJSON( data ) :
data;
data === "false" ? false :
data === "null" ? null :
// Only convert to a number if it doesn't change the string
+data + "" === data ? +data :
rbrace.test( data ) ?
JSON.parse( data ) : data;
} catch( e ) {}
// Make sure we set the data so it isn't changed later
jQuery.data( elem, key, data );
data_user.set( elem, key, data );
} else {
data = undefined;
}
@@ -322,20 +326,3 @@ function dataAttr( elem, key, data ) {
return data;
}
// checks a cache object for emptiness
function isEmptyDataObject( obj ) {
var name;
for ( name in obj ) {
// if the public data object is empty, the private is still empty
if ( name === "data" && jQuery.isEmptyObject( obj[name] ) ) {
continue;
}
if ( name !== "toJSON" ) {
return false;
}
}
return true;
}

4
src/event.js
View File

@@ -24,7 +24,7 @@ jQuery.event = {
var handleObjIn, eventHandle, tmp,
events, t, handleObj,
special, handlers, type, namespaces, origType,
elemData = jQuery._data( elem );
elemData = data_priv.get( elem );
// Don't attach events to noData or text/comment nodes (but allow plain objects)
if ( !elemData ) {
@@ -130,7 +130,7 @@ jQuery.event = {
var j, origCount, tmp,
events, t, handleObj,
special, handlers, type, namespaces, origType,
elemData = jQuery.hasData( elem ) && jQuery._data( elem );
elemData = data_priv.hasData( elem ) && data_priv.get( elem );
if ( !elemData || !(events = elemData.events) ) {
return;

58
src/manipulation.js
View File

@@ -328,7 +328,7 @@ jQuery.fn.extend({
for ( i = 0; i < hasScripts; i++ ) {
node = scripts[ i ];
if ( rscriptType.test( node.type || "" ) &&
!jQuery._data( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
!data_priv.access( node, "globalEval" ) && jQuery.contains( doc, node ) ) {
if ( node.src ) {
// Hope ajax is available...
@@ -511,11 +511,9 @@ jQuery.extend({
},
cleanData: function( elems, /* internal */ acceptData ) {
var id, data, elem, type,
var data, elem, type,
l = elems.length,
i = 0,
internalKey = jQuery.expando,
cache = jQuery.cache,
special = jQuery.event.special;
for ( ; i < l; i++ ) {
@@ -523,8 +521,7 @@ jQuery.extend({
if ( acceptData || jQuery.acceptData( elem ) ) {
id = elem[ internalKey ];
data = id && cache[ id ];
data = data_priv.access( elem );
if ( data ) {
for ( type in data.events ) {
@@ -536,14 +533,10 @@ jQuery.extend({
jQuery.removeEvent( elem, type, data.handle );
}
}
// Remove cache only if it was not already removed by jQuery.event.remove
if ( cache[ id ] ) {
delete cache[ id ];
delete elem[ internalKey ];
}
}
}
// Discard any remaining `private` and `user` data
data_discard( elem );
}
}
});
@@ -576,38 +569,49 @@ function setGlobalEval( elems, refElements ) {
i = 0;
for ( ; i < l; i++ ) {
jQuery._data( elems[ i ], "globalEval", !refElements || jQuery._data( refElements[ i ], "globalEval" ) );
data_priv.set(
elems[ i ], "globalEval", !refElements || data_priv.get( refElements[ i ], "globalEval" )
);
}
}
function cloneCopyEvent( src, dest ) {
var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
if ( dest.nodeType !== 1 || !jQuery.hasData( src ) ) {
if ( dest.nodeType !== 1 ) {
return;
}
var i, l, type,
oldData = jQuery._data( src ),
curData = jQuery._data( dest, oldData ),
events = oldData.events;
// 1. Copy private data: events, handlers, etc.
if ( data_priv.hasData( src ) ) {
pdataOld = data_priv.access( src );
pdataCur = jQuery.extend( {}, pdataOld );
events = pdataOld.events;
if ( events ) {
delete curData.handle;
curData.events = {};
data_priv.set( dest, pdataCur );
for ( type in events ) {
for ( i = 0, l = events[ type ].length; i < l; i++ ) {
jQuery.event.add( dest, type, events[ type ][ i ] );
if ( events ) {
delete pdataCur.handle;
pdataCur.events = {};
for ( type in events ) {
for ( i = 0, l = events[ type ].length; i < l; i++ ) {
jQuery.event.add( dest, type, events[ type ][ i ] );
}
}
}
}
// make the cloned public data object a copy from the original
if ( curData.data ) {
curData.data = jQuery.extend( {}, curData.data );
// 2. Copy user data
if ( data_user.hasData( src ) ) {
udataOld = data_user.access( src );
udataCur = jQuery.extend( {}, udataOld );
data_user.set( dest, udataCur );
}
}
function getAll( context, tag ) {
var ret = context.getElementsByTagName ? context.getElementsByTagName( tag || "*" ) :
context.querySelectorAll ? context.querySelectorAll( tag || "*" ) :

20
test/data/onbeforeunload.html Normal file
View File

@@ -0,0 +1,20 @@
<!doctype html>
<html>
<script src="/dist/jquery.js"></script>
<script>
function report( event ) {
var payload = {
event: event.type
};
return top.postMessage( JSON.stringify(payload), "*" );
}
jQuery( window ).on( "beforeunload", function( event ) {
report( event );
}).on( "load", function( event ) {
setTimeout(function() {
window.location.reload();
}, 50);
});
</script>
</html>

72
test/data/testrunner.js
View File

@@ -200,47 +200,53 @@ var Globals = (function() {
*/
QUnit.expectJqData = function( elems, key ) {
var i, elem, expando;
QUnit.current_testEnvironment.checkJqData = true;
if ( elems.jquery && elems.toArray ) {
elems = elems.toArray();
}
if ( !jQuery.isArray( elems ) ) {
elems = [ elems ];
}
// As of jQuery 2.0, there will be no "cache"-data is
// stored and managed completely below the API surface
if ( jQuery.cache ) {
QUnit.current_testEnvironment.checkJqData = true;
for ( i = 0; i < elems.length; i++ ) {
elem = elems[i];
// jQuery.data only stores data for nodes in jQuery.cache,
// for other data targets the data is stored in the object itself,
// in that case we can't test that target for memory leaks.
// But we don't have to since in that case the data will/must will
// be available as long as the object is not garbage collected by
// the js engine, and when it is, the data will be removed with it.
if ( !elem.nodeType ) {
// Fixes false positives for dataTests(window), dataTests({}).
continue;
if ( elems.jquery && elems.toArray ) {
elems = elems.toArray();
}
if ( !jQuery.isArray( elems ) ) {
elems = [ elems ];
}
expando = elem[ jQuery.expando ];
for ( i = 0; i < elems.length; i++ ) {
elem = elems[i];
if ( expando === undefined ) {
// In this case the element exists fine, but
// jQuery.data (or internal data) was never (in)directly
// called.
// Since this method was called it means some data was
// expected to be found, but since there is nothing, fail early
// (instead of in teardown).
notStrictEqual( expando, undefined, "Target for expectJqData must have an expando, for else there can be no data to expect." );
} else {
if ( expectedDataKeys[expando] ) {
expectedDataKeys[expando].push( key );
// jQuery.data only stores data for nodes in jQuery.cache,
// for other data targets the data is stored in the object itself,
// in that case we can't test that target for memory leaks.
// But we don't have to since in that case the data will/must will
// be available as long as the object is not garbage collected by
// the js engine, and when it is, the data will be removed with it.
if ( !elem.nodeType ) {
// Fixes false positives for dataTests(window), dataTests({}).
continue;
}
expando = elem[ jQuery.expando ];
if ( expando === undefined ) {
// In this case the element exists fine, but
// jQuery.data (or internal data) was never (in)directly
// called.
// Since this method was called it means some data was
// expected to be found, but since there is nothing, fail early
// (instead of in teardown).
notStrictEqual( expando, undefined, "Target for expectJqData must have an expando, for else there can be no data to expect." );
} else {
expectedDataKeys[expando] = [ key ];
if ( expectedDataKeys[expando] ) {
expectedDataKeys[expando].push( key );
} else {
expectedDataKeys[expando] = [ key ];
}
}
}
}
};
QUnit.config.urlConfig.push( {
id: "jqdata",
@@ -334,7 +340,7 @@ var Globals = (function() {
} else {
delete jQuery.ajaxSettings;
}
// Cleanup globals
Globals.cleanup();

38
test/unit/data.js
View File

@@ -6,6 +6,33 @@ test("expando", function(){
equal(jQuery.expando !== undefined, true, "jQuery is exposing the expando");
});
test( "jQuery.data & removeData, expected returns", function() {
expect(2);
equal(
jQuery.data( document.body, "hello", "world" ), "world",
"jQuery.data( elem, key, value ) returns value"
);
equal(
jQuery.removeData( document.body, "hello" ), undefined,
"jQuery.removeData( elem, key, value ) returns undefined"
);
});
test( "jQuery._data & _removeData, expected returns", function() {
expect(2);
equal(
jQuery._data( document.body, "hello", "world" ), "world",
"jQuery.data( elem, key, value ) returns value"
);
equal(
jQuery._removeData( document.body, "hello" ), undefined,
"jQuery.removeData( elem, key, value ) returns undefined"
);
});
function dataTests (elem) {
var oldCacheLength, dataObj, internalDataObj, expected, actual;
@@ -106,6 +133,10 @@ test("Data is not being set on comment and text nodes", function() {
ok( !jQuery.hasData( jQuery("<span>text</span>").contents().data("foo", 0) ) );
});
/*
// Since the new data system does not rely on exandos, limiting the type of
// nodes that can have data is no longer necessary. jQuery.acceptData is now irrelevant
// and should be removed from the library.
test("jQuery.acceptData", function() {
expect(9);
@@ -127,7 +158,7 @@ test("jQuery.acceptData", function() {
ok( !jQuery.acceptData( document.createComment("") ), "comment" );
ok( !jQuery.acceptData( document.createTextNode("") ), "text" );
});
*/
test(".data()", function() {
expect(5);
@@ -424,7 +455,7 @@ if (window.JSON && window.JSON.stringify) {
}
test("jQuery.data should follow html5 specification regarding camel casing", function() {
expect(10);
expect(12);
var div = jQuery("<div id='myObject' data-w-t-f='ftw' data-big-a-little-a='bouncing-b' data-foo='a' data-foo-bar='b' data-foo-bar-baz='c'></div>")
.prependTo("body");
@@ -445,6 +476,9 @@ test("jQuery.data should follow html5 specification regarding camel casing", fun
equal( div.data("fooBar"), "d", "Verify updated data-* key" );
equal( div.data("foo-bar"), "d", "Verify updated data-* key" );
equal( div.data("fooBar"), "d", "Verify updated data-* key (fooBar)" );
equal( div.data("foo-bar"), "d", "Verify updated data-* key (foo-bar)" );
div.remove();
});

77
test/unit/event.js
View File

@@ -1371,75 +1371,20 @@ test("Submit event can be stopped (#11049)", function() {
// Test beforeunload event only if it supported (i.e. not Opera)
if ( window.onbeforeunload === null ) {
asyncTest("on(beforeunload)", 4, function() {
var win,
forIE6 = 0,
fired = false,
iframe = jQuery("<iframe src='data/iframe.html' />");
asyncTest("on(beforeunload)", 1, function() {
var iframe = jQuery(jQuery.parseHTML("<iframe src='data/onbeforeunload.html'><iframe>"));
iframe.appendTo("#qunit-fixture").one( "load", function() {
win = this.contentWindow || this.contentDocument;
window.onmessage = function( event ) {
var payload = JSON.parse( event.data );
jQuery( win ).on( "beforeunload", function() {
fired = true;
ok( true, "beforeunload event is fired" );
});
ok( payload.event, "beforeunload", "beforeunload event" );
strictEqual( win.onbeforeunload, null, "onbeforeunload property on window object still equals null" );
iframe.remove();
window.onmessage = null;
start();
};
// In old Safari beforeunload event will not fire on iframes
jQuery( win ).on( "unload", function() {
if ( !fired ) {
ok( true, "This is suppose to be true only in old Safari" );
checker();
}
});
jQuery( win ).on( "beforeunload", function() {
// On iframe in IE6 beforeunload event will not fire if event is binded through window object,
// nevertheless, test should continue
window.setTimeout(function() {
if ( !forIE6 ) {
checker();
}
});
});
win.onbeforeunload = function() {
if ( !forIE6 ) {
forIE6++;
checker();
}
};
function checker() {
ok( true, "window.onbeforeunload handler is called" );
iframe = jQuery("<iframe src='data/iframe.html' />");
iframe.appendTo("#qunit-fixture").one( "load", function() {
win = iframe[ 0 ].contentWindow || iframe[ 0 ].contentDocument;
jQuery( win ).on( "beforeunload", function() {
strictEqual( win.onbeforeunload, null, "Event handler is fired, even when onbeforeunload property on window is nulled" );
start();
});
jQuery( win ).on( "unload", function() {
if ( !fired ) {
jQuery( win ).trigger("beforeunload");
}
});
win.onbeforeunload = null;
win.location.reload();
});
}
win.location.reload();
});
iframe.appendTo("#qunit-fixture");
});
}
@@ -2567,7 +2512,7 @@ test( "Namespace preserved when passed an Event (#12739)", function() {
e.handled = true;
equal( e.namespace, "bar", "namespace is bar" );
jQuery( e.target ).find("div").each(function() {
jQuery( this ).triggerHandler( e );
jQuery( this ).triggerHandler( e );
});
}
})