function mergeSortedArray(array1,array2){ const mergedArray=[]; let i=0; let j=0; if(array1.length === 0) { return array2; } if(array2.length === 0) { return array1; } while(array1[i] || array2[j]){ if(!array2[j]||array1[i]<array2[j]){ mergedArray.push(array1[i]); i++; } else{ mergedArray.push(array2[j]); j++; } } return mergedArray; } const data=mergeSortedArray([4,8,12],[4,6,32]); console.log('merged array is',data);