obaydulbc
Trainer

2 years ago

javascript Age calculator for wapka

javascript age calculator like this

Login your wapka site >> create new page >> name this page ( Age calculator) >> than goto this page >> click on new code
>> past this code and save it

<html>
<head>
<script>
function ageCalculator() {


var userinput = document.getElementById("DOB").value;


var dob = new Date(userinput);


if(userinput==null || userinput=='') {



document.getElementById("message").innerHTML = "**Choose a date please!";




return false; 


} else {





//calculate month difference from current date in time


var month_diff = Date.now() - dob.getTime();





//convert the calculated difference in date format


var age_dt = new Date(month_diff); 





//extract year from date




var year = age_dt.getUTCFullYear();





//now calculate the age of the user


var age = Math.abs(year - 1970);





//display the calculated age


return document.getElementById("result").innerHTML =







 "Age is: " + age + " years. ";


}
}
</script>
</head>
<body>
<center>
<h2 style="color: 32A80F" align="center"> Calculate Age from Date of Birth <br> <br> </h2> 

<!-- Choose a date and enter in input field -->
<b> Enter Date of Birth: <input type=date id = DOB> </b>
<span id = "message" style="color:red"> </span> <br><br>


<!-- Choose a date and enter in input field -->
<button type="submit" onclick = "ageCalculator()"> Calculate age </button> <br><br>
<h3 style="color:32A80F" id="result" align="center"></h3> 
</center>
</body>
</html>