=proto
const char *duk_json_encode(duk_context *ctx, int index);

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

=summary
<p>Encodes an arbitrary value into its JSON representation as an in-place
operation.  Returns pointer to the resulting string for convenience.</p>

=example
duk_push_object(ctx);
duk_push_int(ctx, 42);
duk_put_prop_string(ctx, -2, "meaningOfLife");
printf("JSON encoded: %s\n", duk_json_encode(ctx, -1));
duk_pop(ctx);

/* Output:
 * JSON encoded: {"meaningOfLife":42}
 */

=tags
codec

=seealso
duk_json_decode