I wrote this simple program using JavaScript to ask the user to give a age of the user the program will determine if the user qualified to vote or not in the next election. Assume that the voting age to qualify to vote is 18 years old and above.
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Sample Program Output
Program Listing
index.htm
<html>
<head>
<title>Qualified To Vote Using JavaScript Ternary Operator</title>
</head>
<style>
body {
font-family: Arial, Helvetica, sans-serif;
size:15px;
}
</style>
<body>
<h2>Qualified To Vote Using JavaScript Ternary Operator</h2>
<p> Written By Jake R. Pomperada</p>
What is your age? <input id="age" value="" />
<br><br>
<button onclick="Check()">Ok</button>
<br>
<p id="demo"></p>
<script>
function Check() {
var age, voteable;
age = Number(document.getElementById("age").value);
if (isNaN(age)) {
voteable = "Age input is not a number. Try Again.";
} else {
voteable = (age < 18) ? "You are not allow to vote still young." : "You are qualified to vote.";
}
document.getElementById("demo").innerHTML = voteable;
}
</script>
</body>
</html>
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