[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Runtime](./puppeteer.protocol.runtime.md) > [CallFrame](./puppeteer.protocol.runtime.callframe.md) > [lineNumber](./puppeteer.protocol.runtime.callframe.linenumber.md) ## Protocol.Runtime.CallFrame.lineNumber property JavaScript script line number (0-based). Signature: ```typescript lineNumber: integer; ```