@extra-array/search-value-right

Finds last index of a value. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Usage no npm install needed!

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  import extraArraySearchValueRight from 'https://cdn.skypack.dev/@extra-array/search-value-right';
</script>

README

Finds last index of a value. :package: :smiley_cat: :running: :vhs: :moon: :scroll: :newspaper: :blue_book:

Alternatives: searchValue, searchValueRight, searchValueAll.
Similar: search, scan, find.

This is part of package extra-array.


array.searchValueRight(x, v, [fc], [fm]);
// x:  an array
// v:  search value
// fc: compare function (a, b)
// fm: map function (v, i, x)
// → index of value, -1 if not found

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

var x = [1, 2, 3, 2, 5];
array.searchValueRight(x, 2);
// 3              ^

var x = [1, 2, 3, -2, 5];
array.searchValueRight(x, 2, (a, b) => Math.abs(a) - Math.abs(b));
// 3               ^

array.searchValueRight(x, 2, null, v => Math.abs(v));
// 3               ^


References