has

Checks if object has a key. 🏃 📼 📦 🌔 📒

Alternatives: has, [hasValue], [hasEntry], [hasSubset], [hasPath].
Similar: key, keys, has.

object.has(x, k);
// x: an object
// k: key?

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

var x = {a: 1, b: 2, c: -3};
object.has(x, 'd');
// false

object.has(x, 'c');
// true

references

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