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R markdown ioslides incremental mode for code snippets

How do you incorporate R code snippets progressively?

For example, I put the following parameter in the header:

---
...other configurations...
output:
  ioslides_presentation:
    incremental: true
---

But incremental mode only applies to bullets, not code codes

## Slide 1
  * this bullet point appears first
  * this bullet point appears second
```{r eval=FALSE}
# This chunk is there from the beginning
```

So my question is: How can you make a piece after the second bullet?

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1 answer


You can use the attribute .build 

## Slide 1 {.build}
  * this bullet point appears first
  * this bullet point appears second
```{r eval=FALSE}
# This chunk appears third
```


There is a small problem with this solution: On first slide, nothing will be displayed on this slide. You need to navigate twice for the first marker point to appear.

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