Chrome Flags Reference

--javascript-harmony

What does --javascript-harmony do?

Enables experimental Harmony (ECMAScript 6) features.

Usage

chrome --javascript-harmony

const browser = await puppeteer.launch({
  args: ['--javascript-harmony']
});

const browser = await chromium.launch({
  args: ['--javascript-harmony']
});

from selenium import webdriver

options = webdriver.ChromeOptions()
options.add_argument('--javascript-harmony')

driver = webdriver.Chrome(options=options)