---
id: value-has
name: Value.has
category: value
kind: namespace-method
tokens: Value.has
sig: Value.has(obj, key: string) -> bool
tip: Whether an object has a member.
order: 11
ns: Value
member: has
---

Returns whether the <code>obj</code> node has a member named <code>key</code> — the way to tell an explicit <a href="value-null"><code>null</code></a> from an absent key.