코드:
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<!DOCTYPE html> <html lang="ko"> <head> <meta charset="UTF-8"> <title>JavaScript Operators</title> </head> <body> <h1>논리 연산자</h1> <script> var x = true, y = false; document.write((x && y) + "<br>"); // false document.write((x || y) + "<br>"); // true document.write(!x); // false </script> </body> </html>