=proto
void duk_to_null(duk_context *ctx, int index);

=stack
[ ... val! ... ] -> [ ... null! ... ]

=summary
<p>Replace the value at <code>index</code> with <code>null</code>, regardless
of the previous value.  Throws an error if index is invalid.</p>

<div class="note">
Equivalent to <code>duk_push_null()</code> followed by <code>duk_replace()</code>
to target index.
</div>

=example
duk_to_null(ctx, -3);

=tags
stack