randomKey - nodef/extra-entries GitHub Wiki

Pick an arbitrary key.

Similar: randomKey, keys, has.

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

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

var x = ["a", 1], ["b", 2], ["c", 3](/nodef/extra-entries/wiki/"a",-1],-["b",-2],-["c",-3);
entries.randomKey(x);
// → "c"

entries.randomKey(x);
// → "b"

References