Slide 18

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Simple If Example

<!DOCTYPE html>
<html>
<head>
<title>
My JavaScript page
</title>
<script>
if (confirm("Are you sure you want to do that?")) {
alert("You said yes");
}
else {
alert("You said no");
}
</script>
</head>
<body>
<noscript>
<h2>This page requires JavaScript.</h2>
</noscript>
</body>
</html>

In this example we use a confirm and alert functions. We will talk about functions next

In JavaScript the Then (True) case is inside the first { curly braces} after the test

In JavaScript the Else (False) case is inside the first { curly braces} after the Else