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initializeArrayWithValues javascript Code Snippet in 2024

arrayintermediate

Last Updated: 1 December 2024

Initializes and fills an array with the specified values.

  • Use Array.from() to create an array of the desired length, Array.prototype.fill() to fill it with the desired values.
  • Omit the last argument, val, to use a default value of 0.
const initializeArrayWithValues = (n, val = 0) => Array.from({ length: n }).fill(val);
initializeArrayWithValues(5, 2); // [2, 2, 2, 2, 2]

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