jquery Source---(2880, 3042) Callbacks: Callback object: Unified management of functions

//Optionscache: {' Once memory ': {once:true, memory:true}}varOptionscache = {};//once Memory,options.match (Core_rnotwhite) =[once, Memory],function (_, Flag) ={once:true,memory:true}functioncreateoptions (options) {varObject = optionscache[Options] = {};//The brackets are the JSON dots, and there is no point. Jquery.each (Options.match (core_rnotwhite) | | [],function(_, flag) {object[flag]=true;    }); returnobject;}/*var cb = $.    Callbacks ();    function aaa () {alert (1);    } cb.add (AAA);        (function () {function bbb () {alert (2);    } cb.add (BBB);    })(); Cb.fire ();//1 2*/Jquery.callbacks=function(options) {//static methods for classes    //options available: Once memory unique Stoponfalse    //method: Add remove has an empty disable disabled lock locked Firewith fire fired    //don't write anything. Jquery.extend ({}, Options), return empty {}, do not write this, if options===undefined, later also do compatibility. Options =typeofoptions = = = "string"?(optionscache[options]||createoptions (Options)): Jquery.extend ({}, options);//Options={once:true,memory:true}    varmemory, fired, firing, Firingstart, Firinglength, Firingindex, //all the methods addedList =[], Stack=!options.once &&[], fire=function(data) {memory= Options.memory && data;//have memory return trueFired =true;//Trigger StartFiringindex = Firingstart | | 0; Firingstart= 0; Firinglength=list.length; Firing=true;  for(; list && Firingindex < firinglength; firingindex++ ) {                if(list[firingindex].apply (data[0], data[1]) = = =false&& options.stoponfalse) {//function returns FALSE, Stoponfalse property does not execute downMemory =false;//memory will also be set to False                     Break; }} Firing=false;//Trigger End            if(list) {if(Stack) {if(stack.length) {Fire (Stack.shift ()); }                } Else if(memory) {list= []; } Else{self.disable (); }}}, self= {//for external interfacesAddfunction() {                if(list) {//The list comes up with an empty array, which returns True,                    varStart =list.length; (functionAdd (args) {//args is a formal parameterJquery.each (args,function(_, Arg) {//traversal of multiple method names passed in,                            varType =Jquery.type (ARG); if(Type = = = "function" ) {                                if(!options.unique | |!self.has (ARG)) {//not Unioqye, or unipue, but no.List.push (ARG); }                            } Else if(Arg && arg.length && type!== "string") {//arrays, nestingAdd (ARG);                    }                        }); }) (arguments);//arguments is an argument, method name AAA,                    if(firing) {Firinglength=list.length; } Else if(memory) {//The first time no assignment is undefined,Firingstart =start;                    Fire (memory); }                }                return  This; }, remove:function() {                if(list) {Jquery.each (arguments,function(_, Arg) {//You can delete multiple                        varindex;  while(index = Jquery.inarray (ARG, list, index)) >-1) {list.splice (index,1);//Delete                            if(firing) {if(Index <=firinglength) {Firinglength--; }                                if(Index <=Firingindex) {Firingindex--;                }                            }                        }                    }); }                return  This; }, has:function(FN) {returnFn? Jquery.inarray (FN, list) >-1:!! (List &&list.length); }, Empty:function() {list= []; Firinglength= 0; return  This; }, disable:function() {list= Stack = Memory =undefined; return  This; }, Disabled:function() {                return!list; }, Lock:function() {stack=undefined; if( !memory)                {self.disable (); }                return  This; }, Locked:function() {                return!Stack; }, Firewith:function(context, args) {if(List && (!fired | |stack)) {args= Args | | []; Args= [Context, Args.slice?]args.slice (): args]; if(firing) {Stack.push (args); } Else{fire (args); }                }                return  This; }, Fire:function() {Self.firewith ( This, arguments);//cb.fire (' hello ');                return  This; }, fired:function() {                return!!fired;    }        }; returnSelf ;};

jquery Source---(2880, 3042) Callbacks: Callback object: Unified management of functions