JavaScript is untyped language. This means that a JavaScript variable can hold a value of any data type. To declare variables in JavaScript, you need to use the var keyword. Whether it is a string or a number, use the var keyword for declaration.
Here’s how you can declare strings in JavaScript −
var name = “David”; var subject = “Programming”;
You can try to run the following code to learn how to declare strings in JavaScript −
<html>
<head>
<title>JavaScript Strings</title>
</head>
<body>
<script>
var re = "java";
var str = "Learn java";
if ( str.search(re) == -1 ){
document.write("Not found!" );
} else {
document.write("Found!" );
}
</script>
</body>
</html>