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sample javascript Code Snippet in 2024

arraystringrandombeginner

Last Updated: 22 February 2024

Gets a random element from an array.

  • Use Math.random() to generate a random number.
  • Multiply it by Array.prototype.length and round it off to the nearest whole number using Math.floor().
  • This method also works with strings.
const sample = arr => arr[Math.floor(Math.random() * arr.length)];
sample([3, 7, 9, 11]); // 9

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