Suggest an editImprove this articleRefine the answer for “What does $lt do?”. Your changes go to moderation before they’re published.Approval requiredContentWhat you’re changing🇺🇸EN🇺🇦UAPreviewTitle (EN)Short answer (EN)`$lt` (less than) is an operator that selects documents where a field's value is strictly less than the given one, e.g. `db.users.find({ age: { $lt: 30 } })`. **Key point:** it returns only documents with a value strictly less than the one given - equal values don't count.Shown above the full answer for quick recall.Answer (EN)Image`$lt` (less than) is an operator that selects documents where a field's value is **strictly less** than the given one. **Example:** ```js db.users.find({ age: { $lt: 30 } }) ``` This query returns every document where `age` is **less than 30**.For the reviewerNote to the moderator (optional)Visible only to the moderator. Helps review go faster.