1. function measureArrayPerformance(arraySize) {
  2. // Create arrays of the specified size
  3. const array1 = Array.from({ length: arraySize }, (_, i) => i); // Array of numbers
  4. const array2 = Array.from({ length: arraySize }, (_, i) => "test"); // Array of strings
  5. const array3 = Array.from({ length: arraySize }, (_, i) => ({ value: i })); // Array of objects
  7. // --- Measurement functions ---
  9. function sumArray(arr) {
  10. let sum = 0;
  11. for (let i = 0; i < arr.length; i++) {
  12. sum += arr[i];
  13. }
  14. return sum;
  15. }
  17. function stringConcatenate(arr) {
  18. let result = "";
  19. for (let i = 0; i < arr.length; i++) {
  20. result += arr[i];
  21. }
  22. return result;
  23. }
  25. function objectPropertyAccess(arr) {
  26. let result = [];
  27. for (let i = 0; i < arr.length; i++) {
  28. result.push(arr[i].value);
  29. }
  30. return result;
  31. }
  33. // --- Performance measurement ---
  35. console.time(`Array Size: ${arraySize}, Number Array - Sum`);
  36. sumArray(array1);
  37. console.timeEnd(`Array Size: ${arraySize}, Number Array - Sum`);
  39. console.time(`Array Size: ${arraySize}, String Array - Concatenate`);
  40. stringConcatenate(array2);
  41. console.timeEnd(`Array Size: ${arraySize}, String Array - Concatenate`);
  43. console.time(`Array Size: ${arraySize}, Object Array - Property Access`);
  44. objectPropertyAccess(array3);
  45. console.timeEnd(`Array Size: ${arraySize}, Object Array - Property Access`);
  46. }
  48. // Example usage with hard-coded limits
  49. measureArrayPerformance(10000);
  50. measureArrayPerformance(100000);
  51. measureArrayPerformance(1000000);

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