ninja question #121
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This PR adds a new section of ninja-level JavaScript questions designed for advanced learners, interview preparation, and skill sharpening. The questions cover tricky edge cases, uncommon behaviors, and JavaScript “gotchas” that even experienced developers often encounter.
Key features of this PR:
25+ advanced JavaScript questions covering topics such as:
Hoisting and variable scoping (var, let, const)
Type coercion and equality (== vs ===)
Closures, asynchronous behavior, and the event loop
Sparse arrays, floating-point precision, and operators
this binding, arrow functions, and prototypal inheritance
Edge-case behaviors like typeof null, NaN, and array/object coercion
All questions are formatted in Markdown, ready to be added to the repository’s learning resources.
Designed to help learners improve JavaScript intuition and prepare for technical interviews.
Next Steps / Suggestions:
Optionally, answers and explanations can be added in a follow-up PR for a complete learning resource.
Could be expanded to include interactive code examples or exercises for practice