[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 ## Remarks Example operations are [page.waitForSelector](./puppeteer.page.waitforselector.md) or [puppeteer.launch](./puppeteer.puppeteer.launch.md).