---
title: "Untitled"
output: html_document
---
```{r setup, include=FALSE}
library(DT)
xsx = function(){
print(getOption("viewer"))
print(datatable(data.frame(d =1)))
1
}
xsx()
```
Inside xsx() function, DT widgets will not be rendered in HTML result. How can I get widgets print inside a function?