How to detect whethere if a JSON node exists

[Adam D. Ruppe]

On Monday, 13 April 2020 at 02:20:39 UTC, Adnan wrote:
> Now in the above inner loop getStr(node["com"].str()) crashes 
> in runtime if an array does not contain "com" node. I want to 
> avoid that. How should I proceed?

Try:

if("com" in node) {

}