BrowserContext.waitForTarget() method

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

This will look all open browser contexts.

Signature

typescript

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

Parameters

Parameter

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Type

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Description

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predicate

</td><td>

(x: Target) => boolean | Promise<boolean>

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options

</td><td>

WaitForTargetOptions

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(Optional)

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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 browserContext.waitForTarget(
  target => target.url() === 'https://www.example.com/',
);