find - nodef/extra-entries GitHub Wiki

Find first value passing a test (default order).

Alternatives: find, findAll. Similar: find, search, searchValue.

function find(x, ft)
// x:  entries
// ft: test function (v, k, x)

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

var x = ["a", 1], ["b", 2], ["c", 3], ["d", 4](/nodef/extra-entries/wiki/"a",-1],-["b",-2],-["c",-3],-["d",-4);
entries.find(x, v => v % 2 === 0);
// → 2                             ^

entries.find(x, v => v % 8 === 0);
// → undefined

References