execute_async_script driver method – Selenium Python

Selenium’s Python Module is built to perform automated testing with Python. Selenium Python bindings provides a simple API to write functional/acceptance tests using Selenium WebDriver. To open a webpage using Selenium Python, checkout – Navigating links using get method – Selenium Python. Just being able to go to places isn’t terribly useful. What we’d really like to do is to interact with the pages, or, more specifically, the HTML elements within a page. There are multiple strategies to find an element using Selenium, checkout – Locating Strategies. Selenium WebDriver offers various useful methods to control the session, or in other words, browser. For example, adding a cookie, pressing back button, navigating among tabs, etc.

This article revolves around execute_async_script driver method in Selenium. execute_async_script method asynchronously Executes JavaScript in the current window/frame. This is a big feature of selenium, because javascript can do everything with a website from hitting APIs to playing with live code.

Syntax –

execute_async_script(script, *args)

Args –

• script: The JavaScript to execute.
• *args: Any applicable arguments for your JavaScript.

Example –
Now one can use execute_async_script method as a driver method as below –

diver.get("https://www.geeksforgeeks.org/")
driver.execute_async_script("alert("alert via selenium")")

How to use execute_async_script driver method in Selenium Python ?

To demonstrate, execute_async_script method of WebDriver in Selenium Python. Let’ s visit https://www.geeksforgeeks.org/ and operate on driver object.

Program –

# import webdriver
from selenium import webdriver

# create webdriver object
driver = webdriver.Firefox()

# get geeksforgeeks.org
driver.get("https://www.geeksforgeeks.org/")

# write script
script = "alert('Alert via selenium')"

# generate a alert via javascript
driver.execute_async_script(script)

Output –
Browser generates alert as verified below –