$range
The `$range` operator outputs an array containing a sequence of integers according to user-defined inputs.
Syntax
{ $range: [ <start>, <end>, <step> ] }
Parameters
<start>
numberrequiredAn integer that specifies the start of the sequence.
<end>
numberrequiredAn integer that specifies the exclusive upper limit of the sequence.
<step>
numberOptional integer that specifies the increment value. Defaults to 1.