u property

Object u
getter/setter pairinherited

The modifications to apply.

The value can be either:

  • A Map that contains update operator expressions,
  • A replacement document with only
  • Starting in MongoDB 4.2, an aggregation pipeline.
    • $addFields and its alias $set
    • $project and its alias $unset
    • $replaceRoot and its alias $replaceWith.

Implementation

Object u;