Picks an arbitrary subsequence. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Similar: subsequence, subsequences, hasSubsequence, searchSubsequence.

This is part of package extra-array.

array.subsequence(x, [n], [r]);
// x: an array
// n: number of values (-1 => any)
// r: random seed 0->1

const array = require("extra-array");

var x = [1, 2, 3, 4, 5];
array.subsequence(x);
// [ 1, 2 ]

array.subsequence(x, 3, 0.3);
// [ 1, 3, 5 ]

array.subsequence(x, 2, 0.3);
// [ 3, 5 ]

References

• shuffle: PHP
• shuffle-seed: @webcaetano
• shuffle-array: @pazguille
• Seeding the random number generator in Javascript