puppeteer/docs/api/puppeteer.puppeteer.registercustomqueryhandler.md
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Puppeteer.registerCustomQueryHandler

Puppeteer.registerCustomQueryHandler() method

Registers a custom query handler.

Signature:

class Puppeteer {
  static 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

Remarks

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.

Example

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