What will happen if you try to switch to a frame using an invalid index like driver.switchTo().frame(10); when only 3 frames exist on the page?

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Selenium Java - Handling Windows, Frames, and Alerts

What will happen if you try to switch to a frame using an invalid index like driver.switchTo().frame(10); when only 3 frames exist on the page?

ADoes nothing and continues

BThrows NoSuchFrameException

CSwitches to the first frame

DSwitches to the last frame automatically

Step-by-Step Solution

Solution:

Step 1: Understand frame index usage
Frame indexes start at 0 and must be within the number of frames present.
Step 2: Identify behavior on invalid index
Using an index outside the range causes Selenium to throw NoSuchFrameException.
Final Answer:
Throws NoSuchFrameException -> Option B
Quick Check:
Invalid frame index = NoSuchFrameException [OK]

Quick Trick: Frame index must be valid; else NoSuchFrameException occurs [OK]

Common Mistakes:

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