find - nodef/extra-object GitHub Wiki

Find value of an entry passing a test.

Similar: find, findAll. Similar: find, search.

function find(x, ft)
// x:  an object
// ft: test function (v, k, x)
const object = require('extra-object');

var x = {a: 1, b: 2, c: 3, d: 4};
object.find(x, v => v % 2 === 0);
// → 2              ^

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

References