JavaScript: Predict the Output Questions vol. 2

Let’s run through some interview style questions that are a bit different from the standard blackboard interview questions you might find on LeetCode or AlgoExpert. Predict-the-output questions show your interviewer your level of understanding of the language — a skill not tested by data structure and algorithms questions.

Below are four problems, their answers, and step-by-step explanations for each. You’ll get the most out of these problems if you try to solve them yourself before scrolling to the answer.



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