$zip
Reference group: Object and set expressions
What it does
Combines corresponding array positions.
Syntax
{$zip: { inputs, useLongestLength?, defaults? }}
Use case
Pair parallel arrays.
$zip: practical example
{ $project: { pairs: { $zip: { inputs: ["$names", "$scores"] } } } }💡 Explanation
Combines corresponding array positions.
When to use it
Pair parallel arrays.
Key Takeaways
- Combines corresponding array positions.
- Typical use: Pair parallel arrays.