How to turn off JavaScript using Selenium WebDriver?

Recently, I encountered a problem with my program that tests some of our sites with javascript disabled. Everything was working perfectly until we upgraded from WebDriver 2.4.5 to the latest version. Now, I'm faced with this error message:

java.lang.IllegalArgumentException: Preference javascript.enabled may not be overridden: frozen value=true, requested value=false

It appears that disabling JS is no longer allowed with the latest WebDriver update. Unfortunately, downgrading isn't an option due to compatibility issues with our updated Firefox browser.

I'm looking for suggestions on how to test with JS disabled. Chrome never worked before, and now Firefox doesn't either. I've tried searching for solutions using "webdriver js disabled," but all I find are references to the javascript.enabled, false argument which is no longer effective.

javascriptjavafirefoxseleniumwebdriver

Answer №1

Here's a suggestion to enhance browser automation with Selenium:

Start by creating a specialized Firefox profile named NoJs

Access about:config and disable javascript specifically for this profile

Integrate this customized profile into your Selenium script as follows:

ProfilesIni allProfiles = new ProfilesIni();
FirefoxProfile profile = allProfiles.getProfile("NoJs");

WebDriver driver = new FirefoxDriver(profile);

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