[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [IndexedDB](./puppeteer.protocol.indexeddb.md) > [KeyRange](./puppeteer.protocol.indexeddb.keyrange.md) > [upperOpen](./puppeteer.protocol.indexeddb.keyrange.upperopen.md) ## Protocol.IndexedDB.KeyRange.upperOpen property If true upper bound is open. Signature: ```typescript upperOpen: boolean; ```