validate age entered as selection box in javascript

msi_333 · **Posted:** Wed Oct 26, 2011 12:12 am

Following code check enter as <select> options as day,month and year.

Code:

function checkAgeCheckBox(f){
var dob=new Date();
var date=dob.getDate();
var month=dob.getMonth() + 1;
var year=dob.getFullYear();
var cmbmonth=parseInt(document.getElementById("cmbmonth").options[document.getElementById("cmbmonth").selectedIndex].value);
var cmbday=parseInt(document.getElementById("cmbday").options[document.getElementById("cmbday").selectedIndex].value);
var cmbyear=parseInt(document.getElementById("cmbyear").options[document.getElementById("cmbyear").selectedIndex].value);
age=year-cmbyear;
if(cmbmonth>month){age--;}
else{if(cmbmonth==month && cmbday>=date){age--;}}
if(cmbmonth==0){return false;}
else if(cmbday==0){return false;}
else if(cmbyear>=2005){return false;}
else if(age<'.$age.'){
return true;
}
 

validate age entered as selection box in javascript

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