xaringan.Rmd

---
title: "Presentation Ninja"
subtitle: "⚔<br/>with xaringan"
author: "Yihui Xie"
institute: "RStudio, Inc."
date: "2016/12/12 (updated: `r Sys.Date()`)"
output:
  xaringan::moon_reader:
    lib_dir: libs
    nature:
      highlightStyle: github
      highlightLines: true
      countIncrementalSlides: false
      beforeInit: ["https://code.jquery.com/jquery-3.1.1.min.js"]
---
class: slide 

# Questions

<style>
.tabcontentb{
  display:none;
}
.tab {
  overflow: hidden;
}

.tab button {
  float: left;
  border: none;
  cursor: pointer;
  padding: 1em;
  font-size: 1.05em;
}

.tab button:hover {
  background-color: #ddd;
}
</style>

<div class="tab">
  <button onclick="$('.tabcontenta').toggle();$('.tabcontentb').toggle()">Question</button>
  <button onclick="$('.tabcontenta').toggle();$('.tabcontentb').toggle()">Answer</button>
</div>


.tabcontenta[

```{r}
print("a")
```

]


.tabcontentb[

```{r}
print("b")
```

]