[Home](./index.md) > [puppeteer](./puppeteer.md) > [JSCoverage](./puppeteer.jscoverage.md) ## JSCoverage class Signature: ```typescript export declare class JSCoverage ``` ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(client)](./puppeteer.jscoverage._constructor_.md) | | Constructs a new instance of the JSCoverage class | ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [\_client](./puppeteer.jscoverage._client.md) | | [CDPSession](./puppeteer.cdpsession.md) | | | [\_enabled](./puppeteer.jscoverage._enabled.md) | | boolean | | | [\_eventListeners](./puppeteer.jscoverage._eventlisteners.md) | | [PuppeteerEventListener](./puppeteer.puppeteereventlistener.md)\[\] | | | [\_reportAnonymousScripts](./puppeteer.jscoverage._reportanonymousscripts.md) | | boolean | | | [\_resetOnNavigation](./puppeteer.jscoverage._resetonnavigation.md) | | boolean | | | [\_scriptSources](./puppeteer.jscoverage._scriptsources.md) | | Map<string, string> | | | [\_scriptURLs](./puppeteer.jscoverage._scripturls.md) | | Map<string, string> | | ## Methods | Method | Modifiers | Description | | --- | --- | --- | | [\_onExecutionContextsCleared()](./puppeteer.jscoverage._onexecutioncontextscleared.md) | | | | [\_onScriptParsed(event)](./puppeteer.jscoverage._onscriptparsed.md) | | | | [start(options)](./puppeteer.jscoverage.start.md) | | | | [stop()](./puppeteer.jscoverage.stop.md) | | |