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Subhajit Sahu edited this page Dec 5, 2022 · 15 revisions

Find values passing a test.

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


function findAll(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', 4]]);
map.findAll(x, v => v % 2 === 0);
// → [ 2, 4 ]                    ^                   ^

map.findAll(x, v => v % 8 === 0);
// → []


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