searchValue

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Subhajit Sahu edited this page Dec 28, 2022 · 14 revisions

Find a key with given value.

Alternatives: searchValue, searchValueAll.
Similar: search, searchValue.

function searchValue(x, v, fc, fm)
// x:  lists
// v:  search value
// fc: compare function (a, b)
// fm: map function (v, k, x)

const xlists = require('extra-lists');

var x = [['a', 'b', 'c', 'd', 'e'], [1, -2, 3, 2, 5]];
xlists.searchValue(x, 2);
// → 'd'                                            ^

xlists.searchValue(x, 2, (a, b) => Math.abs(a) - Math.abs(b));
// → 'b'                       ^

xlists.searchValue(x, 2, null, v => Math.abs(v));
// → 'b'                       ^

References