In this tutorial, we will learn how to write a function in JavaScript.
Functions:
- JavaScript functions perform the simplest task.
- They allow a set of instructions to execute them whenever needed.
- The JavaScript Functions are understandable for everyone.
- They give simple execution.
- Functions give the easiest way to declare variables and expressions.
- Functions give the Return Statement also.
JavaScipt Funtion Example:
<html>
<head>
<meta charset=utf-8 />
<title>JavaScript Functions</title>
<script>
function msg(lastName) {
function welcome() {
console.log("Welcome " + lastName);
}
return welcome;
}
var greet= msg("Pendyala");
greet();
</script>
</head>
<body>
</body>
</html>
output:
Welcome Pendyala