---
title: replaceChild
framework: TVMLKit JS
role: symbol
role_heading: Instance Method
platforms: [tvOS 13.0+, Safari Desktop 3.0+, Safari Mobile 2.0+]
path: tvmljs/node/1633754-replacechild
---

# replaceChild

## Declaration

```data
Node replaceChild(
    in Node newChild, 
    in optional Node oldChild
);
```

```data
Node replaceChild(
    Node newChild, 
    Node oldChild
);
```