The JavaScript Challenge
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The JavaScript Challenge
A collection of JavaScript interview questions
About the Book
This book is meant to prepare you for challenging algorithms and JavaScript nuances that I have been asked during the course of my career. The main focus is to prepare those who are about to embark on the job applications process.
About the Author
Table of Contents
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Hola!
- Heads up everyone!
-
1. The simple one
- Task
- Company expectation
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2. The one with pick
- Task
- Company expectation
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3. The recursive one
- Task
- Company expectation
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4. The doppelganger one
- Task
- Company expectation
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5. The weird one
- Task
- Company expectation
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6. The buggy one
- Task
- Company expectation
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7. The prototype one
- Task
- Company expectation
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8. The one with Memoization
- Task
- Company expectation
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9. The callback one
- Task
- Company expectation
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10. The one with promises
- Task
- Company expectation
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11. The one with Async Await
- Task
- Company expectation
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12. The one with a Buzz
- Task
- Company expectation
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13. The Flattened one
- Task
- Company expectation
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14. The one with closures
- Task
- Company expectation
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15. The hoisting one
- Task
- Company expectation
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16. The one with default value
- Task
- Company expectation
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17. The one with passing reference and values
- Task
- Company expectation
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18. The one with DOM manipulation
- Task
- Company expectation
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19. The one get and set
- Task
- Company expectation
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20. The one with the polls
- Task
- Company expectation
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21. The IIFE one
- Task
- Company expectation
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22. The one with towers
- Task
- Company expectation
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23. The one with pure functions
- Task
- Company expectation
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24. The one with transformations
- Task
- Company expectation
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25. The one with errors
- Task
- Company expectation
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26. The chatty one
- Task
- Company expectation
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27. The render dodge one
- Task
- Company expectation
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28. Functional Components
- Task
- Company expectation
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29. The Battleships
- Task
- Company expectation
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30. Parallel tasks
- Task
- Company expectation
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31. Importance of named functions
- Task
- Company expectation
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32. Emptying an Array
- Task
- Company expectation
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33. Create native methods
- Task
- Company expectation
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34. Difference between Call and Apply
- Task
- Company expectation
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35. Another one with data types
- Task
- Company expectation
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36. Event Loop
- Task
- Company expectation
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37. Palindrome
- Task
- Company expectation
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38. TODO or not to do
- Task
- Company expectation
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39. StackOverflow
- Task
- Company expectation
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40. The one about tomatoes
- Task
- Company expectation
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41. The one about Lambda’s
- Task
- Company expectation
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42. Framework paradigms
- Task
- Company expectation
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43. Color sort
- Task
- Company expectation
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44. A perfect circle
- Task
- Company expectation
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45. Creation design patterns
- Task
- Company expectation
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46. Mull functions
- Task
- Company expectation
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47. Knowing how delete works
- Task
- Company expectation
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48. Knowing how delete works part 2
- Task
- Company expectation
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49. Joining powers
- Task
- Company expectation
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50. It’s time!
- Task
- Company expectation
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1. Answer to “The simple one”
- Task
- Solution
-
2. Answer for “The one with pick”
- Task
- Solution
-
3. Answer to “The doppelganger one”
- Task
- Solution
-
4. Answer to “The recursive one”
- Task
- Task
-
5. Answer to “The weird one”
- Task
- Solution
-
6. Answer to “The buggy one”
- Task
- Solution
-
7. Answer to “The prototype one”
- Task
- Solution
-
8. Answer to “The one with Memoization”
- Task
- Solution
-
9. Answer to “The callback one”
- Task
- Solution
-
10. Answer to “The one with promises”
- Task
- Solution
-
12. The one with Async Await
- Task
- Solution
-
13. Answer to “The one with a Buzz”
- Task
- Solution
-
14. Answer to “The Flattened one”
- Task
- Solution
-
15. Answer to “The one with closures”
- Task
- Solution
-
16. Answer to “The hoisting one”
- Task
- Solution
-
17. Answer to “The one with default value”
- Task
- Solution
-
18. Answer to “The one with passing reference and values”
- Task
- Solution
-
19. Answer to “The one with DOM manipulation”
- Task
- Solution
-
20. Answer to “The one get and set”
- Task
- Solution
-
21. Answer to “The one with the polls”
- Task
- Solution
-
22. Answer to “The IIFE one”
- Task
- Solution
-
23. Answer to “The one with towers”
- Task
- Solution
-
24. The one with pure functions
- Task
- Solution
-
25. Answer to “The one with transformations”
- Task
- Solution
-
26. Answer to “The one with errors”
- Task
- Solution
-
27. Answer to “The chatty one”
- Task
- Solution
-
28. Answer to “The render dodge one”
- Task
- Solution
-
29. Answer to “The with a 2d matrix”
- Task
- Solution
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30. Answer to “The Battleships”
- Solution
-
31. Answer to “Parallel tasks”
- Company expectation
- Solution
-
32. Answer to “Importance of named functions”
- Task
- Solution
-
33. Answer to “Emptying an Array”
- Task
- Solution
-
34. Answer to “Create native methods”
- Task
- Solution
-
35. Answer to “Difference between Call and Apply”
- Task
- Solution
-
36. Answer to “Another one with data types”
- Task
- Solution
-
37. Answer to “Event Loop”
- Task
- Solution
-
38. Answer to “Palindrome”
- Task
- Solution
-
39. Answer to “TODO or not to do”
- Task
- Solution
-
40. Answer to “StackOverflow”
- Task
- Solution
-
41. Answer to “The one about tomatoes”
- Task
- Solution
-
42. Answer to “The one about Lambda’s”
- Task
- Solution
-
43. Answer to “Framework paradigms”
- Task
- Solution
-
44. Answer to “Color sort”
- Task
- Solution
-
45. Answer to “A perfect circle”
- Task
- Solution
-
46. Answer to “Creation design patterns”
- Task
- Solution
-
47. Answer to “Mull functions”
- Task
- Solution
-
48. Answer to “Knowing how delete works”
- Task
- Solution
-
49. Answer to “Knowing how objects work part 2”
- Task
- Solution
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50. Answer to “Joining powers”
- Task
- Solution
-
51. Answer to “It’s time!”
- Task
- Solution
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52. Bonus to The one with an accumulator
- Task
- Expected result
- Challenge
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52. Bonus Answer to The one with an accumulator
- Task
- Solution
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