[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Profiler](./puppeteer.protocol.profiler.md) > [CoverageRange](./puppeteer.protocol.profiler.coveragerange.md) > [startOffset](./puppeteer.protocol.profiler.coveragerange.startoffset.md) ## Protocol.Profiler.CoverageRange.startOffset property JavaScript script source offset for the range start. Signature: ```typescript startOffset: integer; ```