[Home](./index.md) > [puppeteer](./puppeteer.md) > [TimeoutError](./puppeteer.timeouterror.md) ## TimeoutError class TimeoutError is emitted whenever certain operations are terminated due to timeout. Signature: ```typescript export declare class TimeoutError extends CustomError ``` Extends: [CustomError](./puppeteer.customerror.md) ## Remarks Example operations are [page.waitForSelector](./puppeteer.page.waitforselector.md) or [puppeteer.launch](./puppeteer.puppeteernode.launch.md).