has - nodef/extra-set GitHub Wiki

Check if set has a value.

Alternatives: has, hasSubset. Similar: value, values, has.

function has(x, v)
// x: a set
// v: search value

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

var x = new Set([1, 2, 3]);
set.has(x, 3);
// → true

set.has(x, 4);
// → false

References

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