Coder_47 (@47_coder) のツイート: Day 27 of my web dev journey✅Learned powerful JS Array methods .forEach(), .map(), .filter(), .reduce() → write cleaner, functional codeMethod chainingSet → removes duplicates, fast lookups with has()Map → smarter key-value storage (any type as key)#JavaScript #WebDev / Piclur

Coder_47

/10/13

Day 27 of my web dev journey✅ Learned powerful JS Array methods .forEach(), .map(), .filter(), .reduce() → write cleaner, functional code Method chaining Set → removes duplicates, fast lookups with has() Map → smarter key-value storage (any type as key) #JavaScript #WebDev

47_coder's tweet image. Day 27 of my web dev journey✅
Learned powerful JS Array methods
.forEach(), .map(), .filter(), .reduce() → write cleaner, functional code
Method chaining
Set → removes duplicates, fast lookups with has()
Map → smarter key-value storage (any type as key)

#JavaScript #WebDev

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