React Js Series for Beginners தமிழில் 41 : Higher Order Methods - forEach() vs map() in Javascript

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👉 Purpose of Higher-Order Array Methods
Higher-order array methods are special functions in JavaScript that make working with arrays easier. They let you quickly process items, like changing them, picking certain ones, or creating new arrays. These methods help you write short and clear code, so it’s easier to understand and manage.

👉 forEach vs map - Using console.log
When you need to print each item in an array, you can use forEach or map. With forEach, you write array.forEach(item = console.log(item));, which prints each item one by one. It doesn’t give you anything back. On the other hand, map can also print items, but it’s mainly used to create a new array. So if you write array.map(item = console.log(item));, it prints each item but returns an array of undefined, because console.log() doesn’t return a value.

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🕘Timestamps:
00:10 - Purpose of Higher Order Array methods
03:04 - Iterating and Processing Values - forEach vs map
09:20 - Returning Values - forEach vs map
15:55 - Chaining methods - forEach vs map
21:30 - Condition based Statement - forEach vs map

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