JavaScript gets the constellation name and the zodiac code

The use of regular

The code is as follows

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To take the zodiac, the parameters must be four-digit years function Getshengxiao (yyyy) { var arr=[' monkey ', ' chicken ', ' dog ', ' pig ', ' rat ', ' ox ', ' tiger ', ' Rabbit ', ' dragon ', ' snake ', ' horse ', ' sheep ']; return/^\d{4}$/.test (yyyy)? arr[yyyy%12]:null } Calculates the constellation according to the month and date of the birthday. function Getastro (month,day) { var s= "Capricorn Aquarius Pisces aries taurus Gemini giant crab lion Virgin libra scorpio Sagittarius Capricorn"; var arr=[20,19,21,21,21,22,23,23,23,23,22,22]; Return S.substr (month*2-(day<arr[month-1]?2:0), 2); }

Regular performance is not good we can directly judge

The code is as follows

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function Tostar (date) { SS = Date.split ("-"); Month= parseint (ss[1], 10); Date = parseint (ss[2], 10); if (month = = 1 && Date >=20 | | month = 2 && date <=18) { Value = "Aquarius"; else if (month = = 2 && Date >=19 | | month = 3 && date <=20) { Value = "Pisces"; else if (month = = 3 && Date >=21 | | month = 4 && date <=19) { Value = "Aries"; else if (month = = 4 && Date >=20 | | month = 5 && date <=20) { Value = "Taurus"; else if (month = = 5 && Date >=21 | | month = 6 && date <=21) { Value = "Gemini"; else if (month = = 6 && Date >=22 | | month = 7 && date <=22) { Value = "Cancer"; else if (month = = 7 && Date >=23 | | month = 8 && date <=22) { Value = "Leo"; else if (month = = 8 && Date >=23 | | month = 9 && date <=22) { Value = "Virgo"; else if (month = = 9 && Date >=23 | | month = && Date <=22) { Value = "Libra"; else if (month = && Date >=23 | | month = && Date <=21) { Value = "Scorpio"; else if (month = && Date >=22 | | month = = && Date <=21) { Value = "Sagittarius"; else if (month = && Date >=22 | | month = = 1 && date <=19) { Value = "Capricorn"; } return value; } Alert (Tostar (' 1986-12-05 '));

All right, this is very simple, small series recommend the first method, it is looking good, the latter is not good to see but the performance is better.