Checks if array has a value. :running: :vhs: :package: :moon:

Alternatives: compare, map. Similar: value, values, isValue. This is part of package extra-array.

array.isValueOn(x, v, [fn], [ths]);
// x:   an array
// v:   value?
// fn:  map function (v, i, x)
// ths: this argument

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

var x = [1, 2, 3, 4];
array.isValueOn(x, 3);
// true

array.isValueOn(x, -3);
// false

array.isValueOn(x, -3, v => Math.abs(v));
// true

references

• Array.prototype.includes: MDN web docs