Check Odd or Even Program in JavaScript


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JavaScript Program to Check Odd Even Number

Example

<!doctype html>
<html>
<head>
<script>
function odd_even(){
var no;
no=Number(document.getElementById("no_input").value);
if(no%2==0)
{
alert("Even Number");
}
else
{
alert("Odd Number");
}
}
</script>
</head>
<body>
Enter Any Number:<input id="no_input"><br />
<button onclick="odd_even()">Click me</button>
</body>
</html>

Result

Enter Any Number:

Code Explanation

  • no=Number(document.getElementById("no_input").value);
    This code is used for receive input value form input field which have id no_input.
  • <button onclick="odd_even()">Click Me</button>
    This code is used for call odd_even() function when button clicked.

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