insert element in sorted data structure eccicentrly js code example

Example: Insertion Sort javascript

const insertionSort = (inputArr) => {
  const {length} = inputArr;
  const retArray = inputArr;
  for (let i = 1; i < length; i++) {
    const key = inputArr[i];
    let j = i - 1;
    while (j >= 0 && inputArr[j] > key) {
      retArray[j + 1] = inputArr[j];
      j -= 1;
    }
    retArray[j + 1] = key;
  }
  return retArray;
};
insertionSort([10, 9, 8, 7, 6, 5, 4, 3, 2, 1])