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Advanced JavaScript Tutorial for Experienced Developers

Tutorial September 02, 2024
javascript

  • map: Applies a function to each element in an array and returns a new array with the results.
  const numbers = [1, 2, 3, 4];
  const doubled = numbers.map(x => x * 2);
  console.log(doubled); // Output: [2, 4, 6, 8]