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JavaScript interview: Learn functional programming with solving coding challenges

  1. 1
    Create JavaScript Scratchpad with quokka.js in VSCode
    3m 37s
  2. 2
    Rewrite a JavaScript Function as an Arrow Function
    5m 39s
  3. 3
    Implement array map function with array.reduce method
    4m 56s
  4. 4
    Filter out Duplicates from Flat JavaScript Array with array.filter
    2m 29s
  5. 5
    Remove Duplicates from Flat Array with array.reduce in JavaScript
    3m 44s
  6. 6
    Remove Duplicates from Flat Array in with JavaScripts Set Data Structure
    2m 38s
  7. 7
    Write a Palindrome Check function in JavaScript using string and array methods
    5m 33s
  8. 8
    Write anagram check function with array and string methods
    4m 52s
  9. 9
    Write a capitalize string function with array and string methods
    4m 5s
  10. 10
    Flatten nested array using recursive reduce function
    5m 33s
  11. 11
    Write a reverse integer function using string and array methods
    2m 8s

Implement array map function with array.reduce method

Dimitri Ivashchuk
InstructorDimitri Ivashchuk

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Reduce is one of the of the hardest array methods to understand for beginners, mastering it gives you better chances to shine at the interview when asked a question regarding it!

Let's implement one of the easiest array methods (map) with the hardest one (reduce).

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