[Home](./index.md) > [puppeteer](./puppeteer.md) > [Coverage](./puppeteer.coverage.md) ## Coverage class Signature: ```typescript export declare class Coverage ``` ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(client)](./puppeteer.coverage._constructor_.md) | | Constructs a new instance of the Coverage class | ## Properties | Property | Modifiers | Type | Description | | --- | --- | --- | --- | | [\_cssCoverage](./puppeteer.coverage._csscoverage.md) | | CSSCoverage | | | [\_jsCoverage](./puppeteer.coverage._jscoverage.md) | | JSCoverage | | ## Methods | Method | Modifiers | Description | | --- | --- | --- | | [startCSSCoverage(options)](./puppeteer.coverage.startcsscoverage.md) | | | | [startJSCoverage(options)](./puppeteer.coverage.startjscoverage.md) | | | | [stopCSSCoverage()](./puppeteer.coverage.stopcsscoverage.md) | | | | [stopJSCoverage()](./puppeteer.coverage.stopjscoverage.md) | | |