I have a long list that I want to separate five by five and change the name of the value and send the first 5 to the Api. If the result is success, the next 5 will be sent.
This is what I did

let array= [{v1:0,v2:1,v3:2,v4:3},{v1:4,v2:5,v3:6,v4:7},{v1:8,v2:9,v3:10,v4:11},{v1:12,v2:13,v3:14,v4:15}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}, {…}]

and:

    let chunkSize = 5;
       const chunkResult = array.reduce((resultArray, item, index) => {
              const chunkIndex = Math.floor(index / chunkSize);
              if (!resultArray[chunkIndex]) {
                resultArray[chunkIndex] = []; // start a new chunk
              }
              resultArray[chunkIndex].push(item);
              return resultArray;
            }, []);
    
 ///   result chunkResult --> [[{v1:0,v2:1,v3:2,v4:3},{v1:4,v2:5,v3:6,v4:7},{v1:8,v2:9,v3:10,v4:11},{v1:12,v2:13,v3:14,v4:15},{v1:12,v2:13,v3:14,v4:15}], Array(5), Array(5), Array(5), Array(5), Array(5), Array(5)]

and:

                var j = 0;
                var check = false;
                do {
                  const element = chunkResult[j];
                  let convertArray = element.map(
                    ({
                      v1: tafzilCode,
                     v2: nationalCode,
                      v3: remain,
                      v4: credit,
                    }) => ({
                      tafzilCode,
                      nationalCode,
                      remain,
                      credit,
                    })
                  );


//result convertArray ->[{tafzilCode:0,nationalCode:1,remain:2,credit:3},{...},{...},{..},{..}]
    
    
    
                  props.service(
                    convertArray,
                    (status, result) => {
////console.log(result?.success)-->true
                      if (result?.success) {
                        check=true;
                        j++;
                      } else {
                       check=false;
                      }
                    }
                  );
             ///console.log(check)-->false 
                } while (j < chunkResult.length && check);

But what happens is that even though success is true, the check is not updated And only the first 5 will be sent.Where is my mistake?