My crazy Cash register program finally Done!

JavaScript
1 
let myarry=[0.01,0.05,0.1,0.25,1,5,10,20,100]
let mydrwawer={0.01:"PENNY",0.05:"NICKEL",0.1:"DIME",0.25:"QUARTER",1:"ONE",5:"FIVE",10:"TEN",20:"TWENTY",100:"ONE HUNDRED"}

function getallmoney(arr){
       let money=[]
       for(let i=0;i<arr.length;i++){
        money.push(arr[i][1]/arr[i][0])
       }
       return money;
}

function getsumsinDrawer(arr){
 let sums=[];
 for(let i=0;i<arr.length;i++){
     sums.push(arr[i][1])
 }
 //console.log(sums)
 return sums.reduce((x,y)=>x+y);
}
function getChangeInDue(change,array){
let need=[];
for(let i=0;i<array.length;i++){
 if(change>=array[i][1])
   {
   need.push(array[i][1]);
   change=change-array[i][1]
   }
   else if(change<array[i][1]){
   need.push(change-change%array[i][0])
   change=change%array[i][0]
   }
 }
 need[need.length-1]=parseFloat(parseFloat(change+need[need.length-1]).toFixed(2));
 for(let i=0;i<array.length;i++){
   array[i][1]=need[i];
    array[i][0]=mydrwawer[array[i][0]]
 }
 
 return array.filter(x=>x[1]>0);
}

function getrepresentationToNumericNamin(arr){
  for(let i=0;i<arr.length;i++){
    switch(arr[i][0]){
        case "PENNY":
             //arr[i][1]=arr[i][1]/0.01
             arr[i][0]=0.01;
             break; 
         case "NICKEL":
             //arr[i][1]=Math.round(arr[i][1]/0.05)
             arr[i][0]=0.05;
             break; 
         case "DIME":
             //arr[i][1]=arr[i][1]/0.1
             arr[i][0]=0.1;
             break; 
         case "QUARTER":
                   // arr[i][1]=arr[i][1]/0.25
                    arr[i][0]=0.25;
                    break; 
         case "ONE":
                  //arr[i][1]=arr[i][1]/1
                  arr[i][0]=1;
                  break; 
         case "FIVE":
                 //arr[i][1]=arr[i][1]/5
                 arr[i][0]=5;
                 break; 
         case "TEN":
                // arr[i][1]=arr[i][1]/10
                 arr[i][0]=10;
                 break; 
        case "TWENTY":
              
       //
       //arr[i][1]=arr[i][1]/20
              arr[i][0]=20;
              break; 
        case "ONE HUNDRED":
             //arr[i][1]=arr[i][1]/100
             arr[i][0]=100;
             break;        
       }

}
return arr;
}
function getrepresentativeToStringNameing(arr){
  for(let i=0;i<arr.length;i++){
      switch(arr[i][0]){
          case  0.01:
               //arr[i][1]=arr[i][1]/0.01
               arr[i][0]="PENNY";
              break;
           case 0.05:
               //arr[i][1]=Math.round(arr[i][1]/0.05)
               arr[i][0]="NICKEL";
              break;   
           case 0.1:
               //arr[i][1]=arr[i][1]/0.1
               arr[i][0]="DIME";
              break;
           case 0.25:
                     // arr[i][1]=arr[i][1]/0.25
                      arr[i][0]="QUARTER";
                     break;  
           case 1 :
                    //arr[i][1]=arr[i][1]/1
                    arr[i][0]="ONE";
                   break;
           case 5:
                   //arr[i][1]=arr[i][1]/5
                   arr[i][0]="FIVE";
                  break;
           case 10:
                  // arr[i][1]=arr[i][1]/10
                   arr[i][0]="TEN";
                  break;
          case 20:
                
         //
         //arr[i][1]=arr[i][1]/20
                arr[i][0]="TWENTY";
                break;
          case 100 :
               //arr[i][1]=arr[i][1]/100
               arr[i][0]="ONE HUNDRED";
               break;        
         }
  
  }
  return arr
  
  
  }
function getChangesforArry(num,arr){
    return arr.filter(x=>x<num)[arr.filter(x=>x<num).length-1]
}  
function getNeedChanges(changeInDue,arr){
 return  getrepresentationToNumericNamin(arr).filter(x=>x[0]<changeInDue)[arr.filter(x=>x[0]<changeInDue).length-1][1];
 
}
function checkCashRegister(price, cash, cid) {
     let a=getsumsinDrawer(cid);
    
       let chages=cash-price;
       
       let maxChangeForUse=getChangesforArry(cash-price,myarry);

some code missing