TryCF Gist

trycf-gist-1649351674805-da9b1e22-c86c-54ce-de2e-764e554a5187.cfm

<cfscript>

array function f(required array a) {
    local.setInFunction = true
    local.remappedArray = a.map((v) => v, true, 5)
    
    local.sortedArray = local.remappedArray.sort(sortHandler)
    writeOutput("setInFunction should exist: " & local.keyExists("setInFunction") & "<br>")
    writeOutput("setInSortCallBack should NOT exist: " & local.keyExists("setInSortCallBack") & "<br>")
    writeDump(local) // all as one would expect when using a function defined by statement
    
    return local.sortedArray
}


a = [4,3,2,1]

result = f(a)
writeDump(result)

function sortHandler(e1, e2) {
    local.setInSortCallBack = true
    return e2 - e1
}
</cfscript>