ended7월 26일· 1 sources
JavaScript Type Coercion — Output-Based Questions ([] + [], NaN === NaN & Friends)
Why it matters
After hoisting, interviewers love dropping one-liners like: console.log([] + []); console.log([] + {}); console.log({} + []); console.log(NaN === NaN); …and watching whether you guess, freeze, or calm...
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