Run node in Markdown

Eval NodeJS code in Markdown

var x = 12; 
var y = 17;
## undefined
## undefined

Chunks are linked to each other:

console.log(x + y)
## 29
## undefined

More complex example:

httr::GET("http://127.0.0.1:3000") 
## Response [http://127.0.0.1:3000/]
##   Date: 2019-11-11 21:47
##   Status: 200
##   Content-Type: text/html; charset=utf-8
##   Size: 8 B