Function randomElementWeightedSource

Selects a random array index, biased by the provided weightings.

In the below example, a will be picked 20% of the time, b 50% and so on.

const data =    [  `a`,  `b`,  `c`,  `d` ]
const weights = [ 0.2,  0.5,  0.1,  0.2 ]
  • randomElementWeightedSource<V>(array, weightings, randomSource?): (() => V)

  • Type Parameters

    • V

    Parameters

    • array: ArrayLike<V>
    • weightings: number[]
    • randomSource: RandomSource = Math.random

    Returns (() => V)

      • (): V

      • Returns V

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