puppeteer/website/versioned_docs/version-21.2.1/api/puppeteer.browsercontext.waitfortarget.md

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BrowserContext.waitForTarget

BrowserContext.waitForTarget() method

This searches for a target in this specific browser context.

Signature:

class BrowserContext {
  waitForTarget(
    predicate: (x: Target) => boolean | Promise<boolean>,
    options?: {
      timeout?: number;
    }
  ): Promise<Target>;
}

Parameters

Parameter	Type	Description
predicate	(x: Target) => boolean | Promise<boolean>	A function to be run for every target
options	{ timeout?: number; }	(Optional) An object of options. Accepts a timeout, which is the maximum wait time in milliseconds. Pass 0 to disable the timeout. Defaults to 30 seconds.

Returns:

Promise<Target>

Promise which resolves to the first target found that matches the predicate function.

Example

An example of finding a target for a page opened via window.open:

await page.evaluate(() => window.open('https://www.example.com/'));
const newWindowTarget = await browserContext.waitForTarget(
  target => target.url() === 'https://www.example.com/'
);