html tag in markdown code example

Example 1: code blocks md

```
function test() {
  console.log("notice the blank line before this function?");
}
```

Example 2: "raw::html" markdown

.. raw:: html
	
    <script src="https://cdn.plot.ly/plotly-latest.min.js"></script>
    <div id="cd52e831-399a-403d-9bb2-0c56214b1d38" style="height: 100%; width: 100%;" class="plotly-graph-div"></div>
	<script type="text/javascript">window.PLOTLYENV=window.PLOTLYENV || {};window.PLOTLYENV.BASE_URL="https://plot.ly";Plotly.newPlot("cd52e831-399a-403d-9bb2-0c56214b1d38", [{"type": "pie", "values": [4500, 2500, 1053, 500], "labels": ["Oxygen", "Hydrogen", "Carbon_Dioxide", "Nitrogen"]}], {}, {"linkText": "Export to plot.ly", "showLink": true})</script>