Execute a Javascript file using the Selenium Chrome driver

After following the initial guide, I discovered that I can execute a JavaScript snippet using driver.execute(). But how can I run external JavaScript files that load additional modules themselves?

I've brainstormed some potential solutions:

  1. Combine all necessary files into one large file, convert it to a string, and then run it with driver.execute(). Possibly utilizing a minifier tool.

  2. Use a small snippet to dynamically load all required JS files.

  3. Possibly alter the HTML before it is rendered by the browser?

Any suggestions or alternative approaches?

Answer №1

Did you know that it's possible to dynamically load scripts using the execute_script() method? Check out this scenario where the jquery library is loaded on-the-fly to enable HTML5 drag&drop simulation:

The crucial part of this functionality lies in the JavaScript code being executed with execute_async_script(). This script, as mentioned in this post, injects a script element into the head using document.createElement() dynamically.

You can find a practical example using Python in the first link and Java in the second one.

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