Age Finder - JavaScript Made Easy: Free JavaScripts Tutorials Example Code

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Age Finder

Not only will this script tell you how many days, hours, minutes, and seconds old you are, it tells you how long until your next birthday! I've been alive for...


Insert into <HEAD>
<SCRIPT LANGUAGE="JavaScript"> <!-- Original: Glub, Un-Inc. --> <!-- Begin var mm = prompt('What month were you born in?','1-12'); var bday = prompt('What day were you born on?','1-31'); var byear = prompt('What year were you born in?','1975'); var year = new Date(); var year2 = year.getYear(); var year3 = year2 + 1900; thedate = new Date(); mm2 = thedate.getMonth() + 1; dd2 = thedate.getDate(); yy2 = thedate.getYear(); if (yy2 < 100) yy2 += 1900 yourage = yy2 - byear; if (mm2 < mm) yourage--; if ((mm2 == mm) && (dd2 < bday)) yourage--; TMonth = new Array( 'January','February','March', 'April','May','June','July', 'August','September','October', 'November','December' ); CurMonth = mm - 1; bmonth = TMonth[CurMonth]; var age2 = yourage + 1; var timerID; var timerRunning = false; var today = new Date(); var startday = new Date(); var enday = new Date(); var secPerDay = 0; var minPerDay = 0; var hourPerDay = 0; var secsLeft = 0; var secsRound = 0; var secsRemain = 0; var minLeft = 0; var minRound = 0; var minRemain = 0; var timeRemain = 0; function stopclock() { if(timerRunning) clearTimeout(timerID); timerRunning = false; } function startclock() { stopclock(); showtime(); showtime1(); } function showtime() { today = new Date(); enday = new Date(""+bmonth+", "+bday+" "+year3+" 00:00"); enday.setYear(""+year3+""); secsPerDay = 1000 ; minPerDay = 60 * 1000 ; hoursPerDay = 60 * 60 * 1000; PerDay = 24 * 60 * 60 * 1000; secsLeft = (enday.getTime() - today.getTime()) / minPerDay; secsRound = Math.round(secsLeft); secsRemain = secsLeft - secsRound; secsRemain = (secsRemain < 0) ? secsRemain = 60 - ((secsRound - secsLeft) * 60) : secsRemain = (secsLeft - secsRound) * 60; secsRemain = Math.round(secsRemain); minLeft = ((enday.getTime() - today.getTime()) / hoursPerDay); minRound = Math.round(minLeft); minRemain = minLeft - minRound; minRemain = (minRemain < 0) ? minRemain = 60 - ((minRound - minLeft) * 60) : minRemain = ((minLeft - minRound) * 60); minRemain = Math.round(minRemain - 0.495); hoursLeft = ((enday.getTime() - today.getTime()) / PerDay); hoursRound = Math.round(hoursLeft); hoursRemain = hoursLeft - hoursRound; hoursRemain = (hoursRemain < 0) ? hoursRemain = 24 - ((hoursRound - hoursLeft) * 24) : hoursRemain = ((hoursLeft - hoursRound) * 24); hoursRemain = Math.round(hoursRemain - 0.5); daysLeft = ((enday.getTime() - today.getTime()) / PerDay); daysLeft = (daysLeft - 0.5); daysRound = Math.round(daysLeft); daysRemain = daysRound; if (daysRemain == 1) day_rem = " day, " else day_rem = " days, " if (hoursRemain == 1) hour_rem = " hour, " else hour_rem = " hours, " if (minRemain == 1) min_rem = " minute, " else min_rem = " minutes, " if (secsRemain == 1) sec_rem = " second" else sec_rem = " seconds" timeRemain = daysRemain + day_rem + hoursRemain + hour_rem + minRemain + min_rem + secsRemain + sec_rem; document.down.face.value = timeRemain; timerID = setTimeout("showtime()",1000); timerRunning = true; if (daysRemain < 0) year3 = year3 + 1 } function showtime1() { startday = new Date(""+bmonth+" "+bday+", "+byear+" 00:00 EDT"); startday.setYear(""+byear+""); today = new Date(); secsPerDay = 1000 ; minPerDay = 60 * 1000 ; hoursPerDay = 60 * 60 * 1000; PerDay = 24 * 60 * 60 * 1000; secsLeft = (today.getTime() - startday.getTime()) / minPerDay; secsRound = Math.round(secsLeft); secsRemain = secsLeft - secsRound; secsRemain = (secsRemain < 0) ? secsRemain = 60 - ((secsRound - secsLeft) * 60) : secsRemain = (secsLeft - secsRound) * 60; secsRemain = Math.round(secsRemain); minLeft = ((today.getTime() - startday.getTime()) / hoursPerDay); minRound = Math.round(minLeft); minRemain = minLeft - minRound; minRemain = (minRemain < 0) ? minRemain = 60 - ((minRound - minLeft) * 60) : minRemain = ((minLeft - minRound) * 60); minRemain = Math.round(minRemain - 0.495); hoursLeft = ((today.getTime() - startday.getTime()) / PerDay); hoursRound = Math.round(hoursLeft); hoursRemain = hoursLeft - hoursRound; hoursRemain = (hoursRemain < 0) ? hoursRemain = 24 - ((hoursRound - hoursLeft) * 24) : hoursRemain = ((hoursLeft - hoursRound) * 24); hoursRemain = Math.round(hoursRemain - 0.5); daysLeft = ((today.getTime() - startday.getTime()) / PerDay); daysLeft = (daysLeft - 0.5); daysRound = Math.round(daysLeft); daysRemain = daysRound; if (daysRemain == 1) day_rem = " day, " else day_rem = " days, " if (hoursRemain == 1) hour_rem = " hour, " else hour_rem = " hours, " if (minRemain == 1) min_rem = " minute, " else min_rem = " minutes, " if (secsRemain == 1) sec_rem = " second" else sec_rem = " seconds" timeRemain = daysRemain + day_rem + hoursRemain + hour_rem + minRemain + min_rem + secsRemain + sec_rem; document.up.face.value = timeRemain; timerID = setTimeout("showtime1()",1000); timerRunning = true; } // End --> </script>

Insert into <BODY>
<BODY OnLoad="startclock()"> <center> <form name="down" onSubmit="0"> <script Language="JavaScript"> document.write("<b>I was born "+bmonth+" "+bday+", "+byear+". ("+mm+"/"+bday+"/"+byear+")</b>"); document.write("<br><br>I am "+yourage+" years old, and will turn "+age2+" in:"); </script> <br> <input type="text" name="face" size="47" value="A browser supporting JavaScript 1.1+ is needed."> </form> <p> <br> <form name="up" onSubmit="1"> I've been alive for...<br> <input type="text" name="face" size="47" value="A browser supporting JavaScript 1.1+ is needed."> </form> </center>

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