**Thank you for contributing to vis.js!!**

Please make sure to check the following requirements before creating a pull request:

- [ ] Provide an additional or update an example to demonstrate your changes or new features.
- [ ] Update the documentation if you introduced new behavior or changed existing behavior.
- [ ] Reference issue numbers of issues that your pull request addresses. (If you write something like `fixes #1781` in your git commit message this issue gets closed automatically by merging your pull request).
- [ ] Expect review comments and change requests by reviewer.
- [ ] Delete this checklist from your pull request.