n1aa.md

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JavaScript: Fundamental

Answer: Set A

1. b) Adding interactivity to websites
2. d) All of the above
3. d) Characters
4. b) "object"
5. a) // This is a comment
6. a) +
7. b) "22"
8. a) break
9. c) Retrieves an element by its id
10. a) parseInt()
11. a) function myFunction() {}
12. a) true
13. a) pop()
14. b) Executes a function after a specified delay
15. a) Refers to the current object or context
16. d) length
17. b) stringify()
18. a) "Not a Number"
19. a) new Object()
20. c) throw
21. b) "object"
22. c) ===
23. a) Adds elements to the beginning of an array
24. a) push()
25. d) length
26. a) toUpperCase()
27. c) Adds an event listener to an element
28. a) round()
29. a) Iterates over the elements of an array and performs a callback function on each element
30. b) .
31. a) "number"
32. d) All of the above
33. a) Extracts a section of a string and returns a new string
34. a) sort()
35. a) split()
36. b) "22"
37. a) Applies a callback function against an accumulator and each element in an array to reduce it to a single value
38. a) Array.isArray()
39. a) trim()
40. a) Returns the specified number of decimal places as a string
41. b) inputField.value
42. a) indexOf()
43. d) NaN
44. a) String()
45. a) Returns a random integer between 0 and 1
46. a) removeEventListener()
47. a) toLowerCase()
48. a) true
49. a) Math.max()
50. a) toUpperCase()

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