- 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.
//#Source https://bit.ly/2neWfJ2 const sample = arr => arr[Math.floor(Math.random() * arr.length)]; console.log(sample([3, 7, 9, 11]));
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