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Calculating the Average of an Array in JavaScript

javascript
reduce Method array manipulation average calculation numbers array 
const numbers = [10, 15, 20, 25, 30];
const average = numbers.reduce((acc, curr) => acc + curr, 0) / numbers.length;
console.log('Average of Array Elements:', average);

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JavaScript Utility Libraries Cheatsheet

Ramda is a functional programming library for JavaScript developers, designed for better code composition and function handling.

<table>
  <tr>
    <th>Function</th>
    <th>Description</th>
    <th>Example</th>
  </tr>
  <tr>
    <td><code>R.compose(...functions)
    Composes functions from right to left.
    R.compose(Math.abs, R.add(1))(-5) => 4
  
  
    R.curry(fn)
    Returns a curried version of the provided function.
    R.curry((a, b) => a + b)(1)(2) => 3
  
  
    R.filter(predicate, list)
    Returns a new list containing only the elements that satisfy the predicate.
    R.filter(x => x % 2 === 0, [1, 2, 3, 4]) => [2, 4]
  
  
    R.map(fn, list)
    Applies the function to each element of the list.
    R.map(x => x * 2, [1, 2, 3]) => [2, 4, 6]
  
  
    R.reduce(reducer, initialValue, list)
    Reduces the list to a single value using the reducer function.
    R.reduce(R.add, 0, [1, 2, 3]) => 6

Aug 21, 2024
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Code
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JavaScript Sum of Array Elements

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