puppeteer/website/versioned_docs/version-18.0.5/api/puppeteer.registercustomqueryhandler.md
release-please[bot] ddc567a4b6
chore(main): release 18.0.5 (#8997)
* chore(main): release 18.0.5

* chore: generate versioned docs

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>
2022-09-22 10:46:01 +02:00

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registerCustomQueryHandler

registerCustomQueryHandler() function

Registers a custom query handler.

Signature:

export declare function registerCustomQueryHandler(
  name: string,
  handler: CustomQueryHandler
): void;

Parameters

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

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/…');