puppeteer/website/versioned_docs/version-21.4.0/api/puppeteer.browser.waitfortarget.md

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Browser.waitForTarget

Browser.waitForTarget() method

Waits until a target matching the given predicate appears and returns it.

This will look all open browser contexts.

Signature:

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

Parameters

Parameter	Type	Description
predicate	(x: Target) => boolean | Promise<boolean>
options	WaitForTargetOptions	(Optional)

Returns:

Promise<Target>

Example

Finding a target for a page opened via window.open:

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