Checks if array has a subsequence.
Alternatives: compare, map.
Similar: subsequence, subsequences, isSubsequence.
This is part of package extra-array.
This is browserified, minified version of @extra-array/is-subsequence-on.
It is exported as global variable array_isSubsequenceOn.
CDN: unpkg, jsDelivr.
array.isSubsequenceOn(x, y, [fn], [ths]);
// x: an array
// y: subsequence?
// fn: map function (v, i, x)
// ths: this argumentconst array = require('extra-array');
var x = [1, 2, 3, 4];
array.isSubsequenceOn(x, [2, 4]);
// true
array.isSubsequenceOn(x, [-2, -4]);
// false
array.isSubsequenceOn(x, [-2, -4], v => Math.abs(v));
// true