Testing / Selenium Interview questions

What are the supported browsers in Selenium?

Selenium WebDriver can automate any browser that ships a compatible driver implementing the W3C WebDriver protocol.

Browser	Driver
Chrome / Chromium-based Edge	ChromeDriver / EdgeDriver
Firefox	GeckoDriver
Safari	SafariDriver (built into macOS)

Each browser vendor maintains its own driver executable, which sits between Selenium's client library and the actual browser, translating standardized WebDriver commands into whatever that browser understands internally. This means adding support for a new browser is largely a matter of that vendor shipping a compliant driver, rather than Selenium itself needing browser-specific code.

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Which driver is used to automate Firefox? ChromeDriver

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GeckoDriver

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SafariDriver

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Browser drivers exist primarily to: Replace the need for a real browser

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Translate WebDriver commands into browser-specific instructions

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Record test scripts

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