n1ba.md

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JavaScript: Fundamental

Answer: Set B

1. d) All of the above
2. c) // Comment
3. b) "4"
4. a) String
5. c) const
6. b) false
7. c) function myFunction() {}
8. b) To execute a function when an event occurs
9. a) 5
10. c) break
11. a) Document Object Model
12. d) getElementById()
13. b) To handle runtime errors
14. a) "undefined"
15. a) React
16. a) object.property
17. b) 5
18. a) toLowerCase()
19. a) push()
20. d) "number"
21. a) shift()
22. a) To delay the execution of a function
23. a) "105"
24. c) onclick
25. a) To change the HTML content of an element
26. b) "10.00"
27. a) Array.isArray(variable)
28. a) To convert a string to an integer
29. b) "22"
30. a) pop()
31. a) To select the first element that matches a CSS selector
32. b) false
33. a) array.length
34. a) To convert a string to a floating-point number
35. c) 15
36. d) All of the above
37. b) false
38. d) pop()
39. a) To convert a string to uppercase letters
40. b) 1
41. a) array[0]
42. a) To convert a string to an array of substrings
43. a) 3
44. a) removeEventListener()
45. a) To generate a random number between 0 and 1
46. b) "15"
47. a) concat()
48. a) To format a number with a specified number of decimal places
49. b) false
50. b) checkbox.checked

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