find

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Subhajit Sahu edited this page Jun 15, 2020 · 27 revisions

Finds first value passing a test. 🏃 📼 📦 🌔 📒

Alternatives: find, findRight, [findAll].
Similar: [search], [scan], find.

iterable.find(x, fn);
// x:  an iterable
// fn: test function (v, i, x)

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

var x = [1, 2, 3, 4, 5];
iterable.find(x, v => v % 2 == 0);
// 2        ^

iterable.find(x, v => v % 2 == 1);
// 1     ^

references