deferred = jQuery.Deferred(),
completeDeferred = jQuery.Callbacks( "once memory" ),
deferred.promise( jqXHR );
jqXHR.success = jqXHR.done;
jqXHR.error = jqXHR.fail;
jqXHR.complete = completeDeferred.add;
queue那边也没变多少。
复制代码 代码如下:
(function( jQuery ) {
function handleQueueMarkDefer( elem, type, src ) {
var deferDataKey = type + "defer",
queueDataKey = type + "queue",
markDataKey = type + "mark",
defer = jQuery._data( elem, deferDataKey );
if ( defer &&
( src =https://www.jb51.net/article/== "queue" || !jQuery._data(elem, queueDataKey) ) &&
( src =https://www.jb51.net/article/== "mark" || !jQuery._data(elem, markDataKey) ) ) {
// Give room for hard-coded callbacks to fire first
// and eventually mark/queue something else on the element
setTimeout( function() {
if ( !jQuery._data( elem, queueDataKey ) &&
!jQuery._data( elem, markDataKey ) ) {
jQuery.removeData( elem, deferDataKey, true );
defer.fire();
}
}, 0 );
}
}
jQuery.extend({
_mark: function( elem, type ) {
if ( elem ) {
type = ( type || "fx" ) + "mark";
jQuery._data( elem, type, (jQuery._data( elem, type ) || 0) + 1 );
}
},
_unmark: function( force, elem, type ) {
if ( force !== true ) {
type = elem;
elem = force;
force = false;
}
if ( elem ) {
type = type || "fx";
var key = type + "mark",
count = force ? 0 : ( (jQuery._data( elem, key ) || 1) - 1 );
if ( count ) {
jQuery._data( elem, key, count );
} else {
jQuery.removeData( elem, key, true );
handleQueueMarkDefer( elem, type, "mark" );
}
}
},
queue: function( elem, type, data ) {
var q;
if ( elem ) {
type = ( type || "fx" ) + "queue";
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) );
} else {
q.push( data );
}
}
return q || [];
}
},
dequeue: function( elem, type ) {
type = type || "fx";
var queue = jQuery.queue( elem, type ),
fn = queue.shift(),
hooks = {};
// If the fx queue is dequeued, always remove the progress sentinel
if ( fn =https://www.jb51.net/article/== "inprogress" ) {
fn = queue.shift();
}
if ( fn ) {
// Add a progress sentinel to prevent the fx queue from being
// automatically dequeued
if ( type =https://www.jb51.net/article/== "fx" ) {
queue.unshift( "inprogress" );
}
jQuery._data( elem, type + ".run", hooks );
fn.call( elem, function() {
jQuery.dequeue( elem, type );
}, hooks );
}
if ( !queue.length ) {
jQuery.removeData( elem, type + "queue " + type + ".run", true );
handleQueueMarkDefer( elem, type, "queue" );
}
}
});
jQuery.fn.extend({
queue: function( type, data ) {
var setter = 2;
if ( typeof type !== "string" ) {
data = type;
type = "fx";
setter--;
}
if ( arguments.length < setter ) {
return jQuery.queue( this[0], type );
}
return data =https://www.jb51.net/article/== undefined ?
this :
this.each(function() {
var queue = jQuery.queue( this, type, data );
if ( type =https://www.jb51.net/article/== "fx" && queue[0] !== "inprogress" ) {
jQuery.dequeue( this, type );
}
});
},
dequeue: function( type ) {
return this.each(function() {
jQuery.dequeue( this, type );
});
},
// Based off of the plugin by Clint Helfers, with permission.
//
delay: function( time, type ) {
time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
type = type || "fx";
return this.queue( type, function( next, hooks ) {
var timeout = setTimeout( next, time );
hooks.stop = function() {
clearTimeout( timeout );
};
});
},
clearQueue: function( type ) {
return this.queue( type || "fx", [] );
},
// Get a promise resolved when queues of a certain type
// are emptied (fx is the type by default)
promise: function( type, object ) {
if ( typeof type !== "string" ) {
object = type;
type = undefined;
}
type = type || "fx";
var defer = jQuery.Deferred(),
elements = this,
i = elements.length,
count = 1,
deferDataKey = type + "defer",
queueDataKey = type + "queue",
markDataKey = type + "mark",
tmp;
function resolve() {
if ( !( --count ) ) {
defer.resolveWith( elements, [ elements ] );
}
}
while( i-- ) {
if (( tmp = jQuery.data( elements[ i ], deferDataKey, undefined, true ) ||
( jQuery.data( elements[ i ], queueDataKey, undefined, true ) ||
jQuery.data( elements[ i ], markDataKey, undefined, true ) ) &&
jQuery.data( elements[ i ], deferDataKey, jQuery.Callbacks( "once memory" ), true ) )) {
count++;
tmp.add( resolve );
}
}
resolve();
return defer.promise( object );
}
});
})( jQuery );
这时候，钩子机制其实已经在jQuery内部蔓延起来，1.5是css模块的cssHooks，1.6是属性模块的attrHooks, propHooks, boolHooks, nodeHooks,1.7是事件模块的fixHooks， keyHooks, mouseHooks,1.8是queue模块的_queueHooks，由于_queueHooks，queue终于瘦身了。
复制代码 代码如下: