puppeteer/website/versioned_docs/version-10.1.0/puppeteer.puppeteer.registercustomqueryhandler.md

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Puppeteer.registerCustomQueryHandler() method

Registers a custom query handler. After registration, the handler can be used everywhere where a selector is expected by prepending the selection string with <name>/. The name is only allowed to consist of lower- and upper case latin letters.

Signature:

registerCustomQueryHandler(name: string, queryHandler: CustomQueryHandler): void;

Parameters

Parameter	Type	Description
name	string	The name that the custom query handler will be registered under.
queryHandler	CustomQueryHandler	The custom query handler to register.

Returns:

void

Example

puppeteer.registerCustomQueryHandler('text', { … });
const aHandle = await page.$('text/…');