Frame.waitForSelector() method

Waits for an element matching the given selector to appear in the frame.

This method works across navigations.

Signature

typescript

class Frame {
  waitForSelector<Selector extends string>(
    selector: Selector,
    options?: WaitForSelectorOptions,
  ): Promise<ElementHandle<NodeFor<Selector>> | null>;
}

Parameters

Parameter

</th><th>

Type

</th><th>

Description

</th></tr></thead> <tbody><tr><td>

selector

</td><td>

Selector

</td><td>

The selector to query and wait for.

</td></tr> <tr><td>

options

</td><td>

WaitForSelectorOptions

</td><td>

(Optional) Options for customizing waiting behavior.

</td></tr> </tbody></table>

Returns:

Promise<ElementHandle<NodeFor<Selector>> | null>

An element matching the given selector.

Exceptions

Throws if an element matching the given selector doesn't appear.

Example

import puppeteer from 'puppeteer';

const browser = await puppeteer.launch();
const page = await browser.newPage();
let currentURL;
page
  .mainFrame()
  .waitForSelector('img')
  .then(() => console.log('First URL with image: ' + currentURL));

for (currentURL of [
  'https://example.com',
  'https://google.com',
  'https://bbc.com',
]) {
  await page.goto(currentURL);
}
await browser.close();