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How to Execute JavaScript#

When automating the execution of JavaScript, this can either be done with or without a WebElement.

Without WebElement#

Basic usage of JavaScript execution:

Python
from browserist import Browser

with Browser() as browser:
    browser.open.url("https://example.com")
    browser.tool.execute_script("alert('Hello world!')")

With WebElement#

The WebElement is used when you need to interact with a specific element on the page:

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from browserist import Browser

with Browser() as browser:
    browser.open.url("https://example.com")
    element = browser.get.element("//xpath/to/element")
    browser.tool.execute_script("arguments[0].scrollIntoView();", element)

From a File#

Sometimes you want to run a script that is stored in a file. This can be done by reading the file before running the script:

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from browserist import Browser

with open("/path/to/script.js", "r") as file:
    script = file.read()

with Browser() as browser:
    browser.open.url("https://example.com")
    browser.tool.execute_script(script)