searchAll

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Subhajit Sahu edited this page Feb 3, 2021 · 18 revisions

Finds keys of entries passing a test. 🏃 📼 📦 🌔 📒

Alternatives: search, searchAll.
Similar: search, searchValue.

map.searchAll(x, ft);
// x:  a map
// ft: test function (v, k, x)

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

var x = new Map([["a", 1], ["b", 2], ["c", 3], ["d", -2]]);
map.searchAll(x, v => v === 2);
// [ "b" ]                   ^

map.searchAll(x, v => Math.abs(v) === 2);
// [ "b", "d" ]              ^                   ^

References