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searchValue

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Subhajit Sahu edited this page Dec 22, 2022 · 13 revisions

Find a key with given value.

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


function searchValue(x, v, fc, fm)
// x:  ientries
// v:  search value
// fc: compare function (a, b)
// fm: map function (v, k, x)
const ientries = require('extra-ientries');

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

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

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


References

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