"All-station engineer Practice Notes" Web front-end Custom JS object object_list

    functionobject_list () {return Newobject_list.fn.init (arguments); } Object_list.fn= Object_list.prototype ={constructor:object_list, init:function(args) { This. usedefaultlist =true;  This. Object = {}; return  This;    }    }; Object_list.fn.init.prototype=Object_list.fn; Object_list.prototype.clear=function(){        varK = Arguments[0]; if(k && This. has (k)) {Delete  This. Object[k];} Else{ This. Object = {};} } Object_list.prototype.push=function(k,v) {if( This. Usedefaultlist) {            if(! This. Object[k]) {                 This. object[k] =NewArray (); }             This. Object[k].push (v); }Else{            if(! This. Object[k]) {                 This. object[k] =v; }Else{                varL = This. Object[k]; vararr =NewArray ();                Arr.push (l);                Arr.push (v);  This. object[k] =arr; }        }        return  This;    }; Object_list.prototype.has=function(k) {return  This. object[k]! =undefined;}; Object_list.prototype.get=function(k) {return  This. Object[k];    }; Object_list.prototype.safe_get_call=function(k,target,_func_) {if( This. has (k)) {_func_.call ( ThisK This. Get (k));    }    }; Object_list.prototype.get_with_default=function(k,d) {return  This. has (k)? This. Get (k):d;    }; Object_list.prototype. for=function () {        varf = arguments[0]; varRstr= arguments[1]! = Undefined?arguments[1]: ""; varR = (R.tolowercase (). IndexOf ("r")! =-1)?true:false;  for(varKinch  This. Object) {            if(!R) {f (k,0, This. Object[k]); }Else{                if(Is_array ( This. Object[k])) {                     for(varJinch  This. Object[k]) {f (k,j, This. Object[k][j]); }                }Else{f (k,0, This. Object[k]);    }            }        }    }; Object_list.prototype.for_with_target=function () {        varf = arguments[0]; vartarget = arguments[1]; varRstr= arguments[2]! = undefined?arguments[2]: ""; varR = (R.tolowercase (). IndexOf ("r")! =-1)?true:false;  for(varKinch  This. Object) {            if(!R) {f (k,0, This. Object[k]); }Else{                if(Is_array ( This. Object[k])) {                     for(varJinch  This. Object[k]) {F.call (target,k,j, This. Object[k][j]); }                }Else{f.call (target,k,0, This. Object[k]);    }            }        }    }; Win.object_list= Object_list;

"All-station engineer Practice Notes" Web front-end Custom JS object object_list