This is another interesting program for school / college students who are learning JavaScript.
To find an entered number is Odd or Even is very simple, all you have to do is divide the number by 2 and if you get the remainder 0 (zero) then it is an Even number otherwise an Odd number.
Eg: 10 / 2 = 5, here 5 is the quotient, 0 is the remainder.
In JavaScript there are two operators you can use to find quotient and remainder. (/) slash and (%) modulus, where the / will give the quotient and % will give the remainder value.
So here is the JavaScript snippet:
if ( num % 2 == 0) {
alert('Even Number');
}else{
alert('Odd Number');
}For better understanding I am giving here a full example :
<!DOCTYPE html>
<html>
<head>
<title>JavaScript to find Odd or Even number Example - Tutorialsmade.com!</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script>
function findOddEven(){
//get the input value
var num = document.getElementById('num').value;
//if the remainder value is 0 then it is an even number
//we are using % modulus operator to get the remainder value
if ( num % 2 == 0) {
document.getElementById('result').innerHTML = num + ' is an Even number';
}else{
document.getElementById('result').innerHTML = num + ' is an Odd number';
}
}
</script>
</head>
<body>
<h2>JavaScript to find Odd or Even number!</h2>
<form method="post">
Enter a number: <input type="number" id="num" name="num" min="0" /><input type="button" value="Find Odd or Even" onclick="findOddEven()" name="find" />
<div style="margin-top: 10px;" id="result"></div>
</form>
</body>
</html>And as always your demo:

Thank you.
function oddOrEven(number_){
if(number_ % 2 === 0){
return ‘even’;
};
return ‘odd’;
};
life saver!!!!!!!!!!!!!!