How can you test if an object has a specific property?

Question

How can you test if an object has a specific property?

Appreciate I can do ...

$members = Get-Member -InputObject $myobject 

and th

Answer 1

I just started using PowerShell with PowerShell Core 6.0 (beta) and following simply works:

if ($members.NoteProperty) {
   # NoteProperty exist
}

or

if (-not $members.NoteProperty) {
   # NoteProperty does not exist
}