xxxxxxxxxx<html lang="en"><head> <meta charset="utf-8"> <title>JavaScript Logical Operators</title></head><body> <script> var year = 2018; // Leap years are divisible by 400 or by 4 but not 100 if((year % 400 == 0) || ((year % 100 != 0) && (year % 4 == 0))){ document.write(year + " is a leap year."); } else{ document.write(year + " is not a leap year."); } </script></body></html>