1. function diffDatasets(dataset1, dataset2) {
  2. const diff = [];
  4. // Check if datasets are valid arrays
  5. if (!Array.isArray(dataset1) || !Array.isArray(dataset2)) {
  6. return "Error: Both inputs must be arrays.";
  7. }
  9. // Find the shorter length
  10. const minLength = Math.min(dataset1.length, dataset2.length);
  12. // Iterate through the datasets up to the shortest length
  13. for (let i = 0; i < minLength; i++) {
  14. if (dataset1[i] !== dataset2[i]) {
  15. diff.push({
  16. index: i,
  17. dataset1Value: dataset1[i],
  18. dataset2Value: dataset2[i],
  19. error: "Values at index " + i + " differ."
  20. });
  21. }
  22. }
  24. // Check for missing elements in dataset2
  25. if (dataset1.length > dataset2.length) {
  26. for (let i = minLength; i < dataset1.length; i++) {
  27. diff.push({
  28. index: i,
  29. dataset1Value: dataset1[i],
  30. dataset2Value: undefined,
  31. error: "Value missing in dataset2 at index " + i
  32. });
  33. }
  34. }
  36. // Check for missing elements in dataset1
  37. if (dataset2.length > dataset1.length) {
  38. for (let i = minLength; i < dataset2.length; i++) {
  39. diff.push({
  40. index: i,
  41. dataset1Value: undefined,
  42. dataset2Value: dataset2[i],
  43. error: "Value missing in dataset1 at index " + i
  44. });
  45. }
  46. }
  48. // Return the differences
  49. if (diff.length === 0) {
  50. return "Datasets are identical.";
  51. } else {
  52. return diff;
  53. }
  54. }

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