selenium-webdriver/example/chrome_mobile_emulation.js

The official WebDriver JavaScript bindings from the Selenium project

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// to you under the Apache License, Version 2.0 (the
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// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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/**
 * @fileoverview This is an example of emulating a mobile device using the
 * ChromeDriver.
 */

'use strict'

const { Builder, By, Key, until } = require('..')
const { Options } = require('../chrome')

;(async function () {
  let driver
  try {
    driver = await new Builder()
      .forBrowser('chrome')
      .setChromeOptions(new Options().setMobileEmulation({ deviceName: 'Nexus 5X' }))
      .build()
    await driver.get('http://www.google.com/ncr')
    await driver.findElement(By.name('q')).sendKeys('webdriver', Key.RETURN)
    await driver.wait(until.titleIs('webdriver - Google Search'), 1000)
  } finally {
    ;(await driver) && driver.quit()
  }
})().then(
  (_) => console.log('SUCCESS'),
  (err) => console.error('ERROR: ' + err),
)