randomKey

Pick an arbitrary key.

Similar: randomKey, keys, has.

function randomKey(x, fr)
// x:  ientries
// fr: random number generator ([0, 1))

const ientries = require('extra-ientries');

var x = [["a", 1], ["b", 2], ["c", 3]];
ientries.randomKey(x);
// → "c"

ientries.randomKey(x);
// → "b"

References

• Array.sample: sugarjs