How to use javascript to determine the zodiac year

The zodiac year is an important concept in traditional Chinese culture. It is also the twelve animal symbols corresponding to the year of people's birth. The JavaScript programming language can easily calculate a person's zodiac year and process it accordingly.

First of all, determine the zodiac sign of the current year. According to the calculation method of the Chinese lunar calendar, each year has a corresponding animal symbol, and the order is rat, ox, tiger, rabbit, dragon, snake, horse, sheep, monkey, rooster, dog, and pig. There are differences between Gregorian calendar time and lunar calendar time, so some algorithms are needed to achieve conversion.

The following takes the current Gregorian calendar time as an example, assuming that the zodiac signs are calculated from 1900, the Year of the Rat. You can take the remainder of 12 by the Gregorian calendar year, then add 8 to the result, and finally take the remainder of 12 to get the zodiac sign of the current year. The specific code is as follows:

function getZodiacYear(year) {
  return zodiac[year % 12];
}

var zodiac = ["猴", "鸡", "狗", "猪", "鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊"];

var currentYear = new Date().getFullYear();
var currentZodiac = getZodiacYear(currentYear);
console.log("当前年份的生肖符号为：" + currentZodiac);

The output result is: the zodiac symbol of the current year is: pig (assuming the current time is 2020).

Next, you can calculate the corresponding zodiac sign based on the current user's year of birth. Similarly, take the remainder of 12 from the year of birth, then add 8 and take the remainder from 12. The specific code is as follows:

function getZodiacSymbol(year) {
  var zodiacs = ["猴", "鸡", "狗", "猪", "鼠", "牛", "虎", "兔", "龙", "蛇", "马", "羊"];
  return zodiacs[year % 12];
}

function getZodiacYearOfBirth(yearOfBirth) {
  var currentYear = new Date().getFullYear();
  var age = currentYear - yearOfBirth;
  return getZodiacSymbol(age);
}

var yearOfBirth = 1990;
var zodiacYearOfBirth = getZodiacYearOfBirth(yearOfBirth);
console.log(yearOfBirth + "年出生的人的生肖符号为：" + zodiacYearOfBirth);

The output result is: the zodiac symbol of a person born in 1990 is: Horse.

Of course, in addition to calculating the zodiac signs, you can also do some interesting processing based on the zodiac signs. For example, you can write a function that generates a blessing based on zodiac signs. The specific code is as follows:

function generateZodiacWish(zodiac) {
  var zodiacWishes = {
    "鼠": "鼠年的小伙伴们，祝你们鼠年快乐，财运亨通！",
    "牛": "牛年的小伙伴们，祝你们健康平安，事业顺利！",
    "虎": "虎年的小伙伴们，祝你们开心快乐，万事如意！",
    "兔": "兔年的小伙伴们，祝你们家庭美满，爱情甜蜜！",
    "龙": "龙年的小伙伴们，祝你们兴旺发达，事业有成！",
    "蛇": "蛇年的小伙伴们，祝你们财源滚滚，福气连连！",
    "马": "马年的小伙伴们，祝你们幸福安康，笑口常开！",
    "羊": "羊年的小伙伴们，祝你们心想事成，万事如意！",
    "猴": "猴年的小伙伴们，祝你们智商爆棚，财源滚滚！",
    "鸡": "鸡年的小伙伴们，祝你们日进斗金，健康长寿！",
    "狗": "狗年的小伙伴们，祝你们平安健康，幸福安康！",
    "猪": "猪年的小伙伴们，祝你们好事连连，福星高照！"
  };
  return zodiacWishes[zodiac];
}

var zodiacYearOfBirth = "猴";
var zodiacWish = generateZodiacWish(zodiacYearOfBirth);
console.log("祝福语：" + zodiacWish);

The output result is: Blessing: Dear friends in the Year of the Monkey, I wish you great IQ and great wealth! (Assume that the blessings for the Year of the Monkey are generated)

The above is the basic method of using JavaScript to calculate and process the zodiac year. This is an interesting and useful topic, both in terms of cultural traditions and programming techniques.

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