JS Building Map and List

//Building a mapfunctionMap () { This. arr =NewArray (); varstruct =function(key, value) { This. Key =key;  This. Value =value;    };  This. KeySet =function() {        varArrkeys =NewArray ();  for(vari = 0; I < This. arr.length; i++) {Arrkeys.push ( This. Arr[i].key); }        returnArrkeys;    };  This. put =function(key, value) { for(vari = 0; I < This. arr.length; i++) {                if( This. Arr[i].key = = =key) {                        This. Arr[i].value =value; return; }            }          This. arr[ This. arr.length] =Newstruct (key, value);      };  This. get =function(key) { for(vari = 0; I < This. arr.length; i++) {            if( This. Arr[i].key = = =key) {                 return  This. Arr[i].value; }          }        return NULL;       };  This. values=function(){          varValue=[]          for(vari = 0; I < This. arr.length; i++) {Value.push ( This. Arr[i].value); }         returnValue.join (",");       };  This. remove =function(key) {varv;  for(vari = 0; I < This. arr.length; i++) {v= This. Arr.pop (); if(V.key = = =key) {             Continue; }          This. Arr.unshift (v);       }       };  This. Size =function() {        return  This. Arr.length;       };  This. IsEmpty =function() {           return  This. arr.length <= 0;  }; } /** * JS Implementation list **/  functionList () { This. Value = []; /*Add*/       This. Add =function(obj) {return  This. Value.push (obj);        }; /*size*/       This. Size =function() {          return  This. Value.length;        }; /*returns the value of the specified index*/       This. get =function(index) {return  This. Value[index]; }    /*returns the index of the specified object*/     This. indexOf =function(obj) { for(varIinch  This. Value) {                         if(obj = = This. Value[i]) {                  returni;    }         }      }; /*Delete the value of the specified index*/       This. remove =function(index) { This. Value.splice (index,1); return  This. Value;        }; /*Delete all Values*/       This. RemoveAll =function() {          return  This. Value = [];        }; /*whether to include an object*/       This. Constains =function(obj) { for(varIinch  This. Value) {              if(obj = = This. Value[i]) {                  return true; } Else {                  Continue; }          }          return false;            }; /*whether to include an object*/       This. GetAll =function() {          varAllinfos = ' ';  for(varIinch  This. Value) {              if(I! = (value.length-1) ) {Allinfos+= This. value[i]+ ","; }Else{Allinfos+= This. Value[i];          }} alert (Allinfos); returnAllinfos + = This. value[i]+ ",";;        }; } 

JS Building Map and List