`Profiler.startPreciseCoverage`

Enable precise code coverage. Coverage data for JavaScript executed before enabling precise code coverage may be incomplete. Enabling prevents running optimized code and resets execution counters.

Domain: Profiler stable

Parameters

Name	Type	Description
`callCount` (optional)	`boolean`	Collect accurate call counts beyond simple 'covered' or 'not covered'.
`detailed` (optional)	`boolean`	Collect block-based coverage.
`allowTriggeredUpdates` (optional)	`boolean`	Allow the backend to send updates on its own initiative

Returns

Name	Type	Description
`timestamp`	`number`	Monotonically increasing time (in seconds) when the coverage update was taken in the backend.

Example Request

{
  "id": 1,
  "method": "Profiler.startPreciseCoverage"
}

Example Response

{
  "id": 1,
  "result": {
    "timestamp": 1.0
  }
}

Usage in Node.js

const result = await send('Profiler.startPreciseCoverage');
console.log(result);
// {"timestamp": 1.0}