JavaScript Functions
Functions are reusable blocks of code that perform a specific task.
Declaring a Function
You can declare a function using the function keyword.
function greet(name) {
console.log("Hello, " + name + "!");
}Calling a Function
To execute a function, you call it by its name and pass any required arguments.
greet("Alice"); // Output: Hello, Alice!Return Values
Functions can return a value using the return keyword.
function add(a, b) {
return a + b;
}
let result = add(5, 3);
console.log(result); // Output: 8