Code to check if age is not less than 18 years in Javascript
In this tutorial, we are going to see a simple program in JavaScript to check the age of a person, if the age is greater than 18 years, display the message “You are an adult” otherwise display “You are not an adult “.
Program to verify a person’s age
<html>
<head>
<script>
function check(){
var nbr;
nbr = Number(document.getElementById("age").value);
if(nbr < 18)
{
alert("You are not an adult");
}
else
{
alert("You are an adult");
}
}
</script>
</head>
<body>
Enter your age: <input id="age">
<button onclick="check()">Check</button>
</body>
</html>
| Result |
|---|
| Enter your age: |
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