name: duk_seal

proto: |
  void duk_seal(duk_context *ctx, duk_idx_t obj_idx);

summary: |
  <p>Equivalent to <code>Object.seal()</code> for object at
  <code>obj_idx</code>; if sealed, the object is automatically
  compacted.  If the index is invalid an error is thrown.</p>

example: |
  duk_seal(ctx, -3);

tags:
  - object
  - property

introduced: 2.2.0