randomEntry - nodef/extra-map GitHub Wiki

Pick an arbitrary entry.

Similar: randomEntry, entries, hasEntry.

function randomEntry(x, fr)
// x:  a map
// fr: random number generator ([0, 1))

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

var x = new Map(['a', 1], ['b', 2], ['c', 3](/nodef/extra-map/wiki/'a',-1],-['b',-2],-['c',-3));
map.randomEntry(x);
// → [ 'c', 3 ]

map.randomEntry(x);
// → [ 'b', 2 ]

References