@extra-lists/is-key v2.1.6

Checks if lists has a key. :running: :package: :ledger:

Similar: key, keys, isKey. This is part of package extra-lists.

lists.isKey(x, k);
// x: lists
// k: key?

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

var x = [['a', 'b', 'c'], [1, 2, -3]];
lists.isKey(x, 'd');
// false

lists.isKey(x, 'c');
// true

references

• Array.prototype.includes: MDN web docs
• array-tools.contains: @75lb