논리 연산자(&&, ||), 삼항연산자를 사용한 단축 평가
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Expressions_and_Operators#logical_operators Expressions and operators - JavaScript | MDN This chapter describes JavaScript's expressions and operators, including assignment, comparison, arithmetic, bitwise, logical, string, ternary and more. developer.mozilla.org Short-circuit evaluation 사용 방법 var result = true && '참'; console.log(res..
