File: example.html

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File: example.html
Role: Example script
Content type: text/plain
Description: Example of use
Class: JavaScript Zodiac Sign
Get the Zodiac sign for a given date
Author: By
Last change:
Date: 9 years ago
Size: 2,418 bytes
 

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<html> <head> <script language="javascript" type="text/javascript"> // For English users: getSign() Date.prototype.getSign=function(){var zodiaque=new Array("aries","taurus","gemini","cancer","leo","virgo","libra","scorpio","sagittarius","capricorn","aquarius","pisces"),d,w,m;d=(367*this.getFullYear()-Math.floor((7*(this.getFullYear()+Math.floor((this.getMonth()+1+9)/12)))/4)+Math.floor((275*(this.getMonth()+1))/9)+this.getDate()-730530);w=(282.9404+4.70935E-5*d)-Math.floor((282.9404+4.70935E-5*d)/360.0)*360.0;m=(356.0470+0.9856002585*d)-Math.floor((356.0470+0.9856002585*d)/360.0)*360.0;return zodiaque[Math.floor(((w+m)-Math.floor((w+m)/360.0)*360.0)/30.0)];}; </script> <script language="javascript" type="text/javascript"> //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // Test the validity of a French date (JJ/MM/AAAA). // Return "OK" or an error message // You can interchange the lines 19 and 20 (with indices correction) for a format such as MM/DD/AAAA function isValidDate(date) { var date, tab, reg = new RegExp("^[0-9]{2}[/]{1}[0-9]{2}[/]{1}[0-9]{4}$","g"); if(reg.test(date)) { tab=date.split('/'); if((tab[0]*1)<1 || (tab[0]*1)>31) { return "Incorrect day"; } // 19 if((tab[1]*1)<1 || (tab[1]*1)>12) { return "Incorrect month"; } // 20 return "OK"; } return "Incorrect format date"; } function sign() { var thedate, date, tab; date=document.test.date.value; tab=date.split('/'); j=tab[0]*1; m=tab[1]-1; a=tab[2]*1; thedate = new Date(a, m, j); signe = thedate.getSign(); alert('People who are born on '+date+' are '+thedate.getSign()); } // ========================================================================================= function verif() { var thedate; // get the values of the form thedate = document.test.date.value; if(!thedate) { alert('Date is missing'); document.test.date.focus(); return false; } msg = isValidDate(thedate); if(msg != "OK") { alert("Date :\n"+msg); document.test.date.focus(); return false; } return true; } </script> </head> <body> <h3>Signe du zodiaque</h3> <form name="test" method="post" action="javascript:sign()" onsubmit="return verif()"> Write a date (DD/MM/AAAA) <input type="text" name="date" size="10"><input type="submit" name="submit" value="Validate"> </form> </body> </html>