Free Salesforce JavaScript-Developer-I Exam Questions & Practice Tests | Page 2

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21. Refer to thecode below:Const pi = 3.

22. At Universal Containers, every team has its own way of copyingJavaScript objects.

23. A developer needs to debug a Node.

24. Given the JavaScript below:Which code should replace the placeholder comment on line 06 to hide...

25. Refer to the code below:Which value can a developer expect when referencing country,capital,cityString?

26. What is the result of the code block?

27. The developer wants to test the array shown:const arr = Array(5).

28. Which statement phrases successfully?

29. Which three statements are true about promises ?

30. Refer to the code below:Let str = ‘javascript’;Str[0] = ‘J’;Str[4] = ’S’;After changing the string...

31. Which option is a core Node,js module?

32. Refer to code below:Function muFunction(reassign){Let x = 1;var y = 1;if( reassign ) {Let x=...

33. Refer to the code below:What is the output of this function when called with an...

34. Refer to the code:Given the code above, which three properties are set for pet1?

35. A developer needs to test this function:01const sum3 = (arr) => (02if (!arr.

36. Consider type coercion, what does the following expression evaluate to?

37. Given the expressionsvar1 and var2, what are two valid ways to return the concatenation of...

38. Refer to the following code block:What is the console output?

39. Which statement accurately describes the behaviour of the async/ await keyworks ?

40. Refer to the following code block:class Animal{constructor(name){this.

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Product: JavaScript-Developer-I
Update on: Sep 18, 2025
Questions: 219
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