puppeteer/website/versioned_docs/version-19.3.0/api/puppeteer.metrics.jsheapusedsize.md

---
sidebar_label: Metrics.JSHeapUsedSize
---

# Metrics.JSHeapUsedSize property

#### Signature:

```typescript
interface Metrics {
  JSHeapUsedSize?: number;
}
```
chore(main): release 16.1.0 (#8743) * chore(main): release 16.1.0 * chore: generate versioned docs Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> 2022-08-06 14:49:20 +00:00			`---`
			`sidebar_label: Metrics.JSHeapUsedSize`
			`---`

			`# Metrics.JSHeapUsedSize property`

chore: release main (#9156) 2022-10-24 14:31:12 +00:00			`#### Signature:`
chore(main): release 16.1.0 (#8743) * chore(main): release 16.1.0 * chore: generate versioned docs Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com> 2022-08-06 14:49:20 +00:00
			```typescript
			`interface Metrics {`
			`JSHeapUsedSize?: number;`
			`}`
			```