$reverseArray
Reference group: Array aggregation expressions
What it does
Returns elements in reverse order.
Syntax
{$reverseArray: arrayExpr}
Use case
Reverse an ordered array.
$reverseArray: practical example
{ $project: { reversed: { $reverseArray: "$events" } } }💡 Explanation
Returns elements in reverse order.
When to use it
Reverse an ordered array.
Key Takeaways
- Returns elements in reverse order.
- Typical use: Reverse an ordered array.