Free Salesforce JavaScript-Developer-I Exam Questions & Practice Tests | Page 3

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41. Refer to the following array:Let arr = [ 1,2, 3, 4, 5];Which three options result...

42. developer creates a new web server that uses Node.

43. Which two options are core Node.

44. A developer wants to use a try.

45. Refer to the code declarations below:Which three expressions return the string JavaScript?

46. Universal Containers (UC) just launched anew landing page, but users complain that the website is...

47. Refer to the code below:Considering that JavaScript is single-threaded, what is the output of line...

48. Refer to the code below:const event = new CustomEvent(//Missing Code);obj.

49. Refer to the string below.

50. Refer to the code below:letsayHello = () => {console.

51. A developer wrote the following code:01 let X = object.

52. Refer the code below.

53. Refer tofollowing code:class Vehicle {constructor(plate) {This.

54. Refer to the code below:Click me!functionprintMessage(event) {console.

55. A developer creates a simple webpage with an input field.

56. Given the following code:Let x =(‘15’ + 10)*2;What is the value of a?

57. Refer to the following code:What is the output of line 11?

58. developer uses the code below to format a date.

59. Given the code below:const copy = JSON.

60. A developer implements and calls the following code when an application state change occurs:Const onStateChange...

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Product: JavaScript-Developer-I
Update on: May 22, 2026
Questions: 147
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TESTED 22 May 2026