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Start your free trialMustafa Malik
Courses Plus Student 1,491 PointsThere were no guidance on how to use # symbol in javascript.
I know how to concatenate to variables and show them as UpperCase. But don't know where and why to use # sign?
var id = "23188xtr";
id.toUpperCase();
var lastName = "Smith";
# alert(id.toUpperCase() + lastName.toUpperCase());
var userName
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JavaScript Basics</title>
</head>
<body>
<script src="app.js"></script>
</body>
</html>
1 Answer
Jeff Lemay
14,268 PointsA '#' is used to target an element with an ID. So, if you have < div id="xample" >, you can target it by using #xample (same as with CSS).