JavaScript Functions Explained 2026 #8 | Master Functions Fast
Learn JavaScript functions in this beginner-friendly 2026 tutorial. Understand how to create, call, and reuse functions with parameters, return values, and real-world examples.Learn how JavaScript functions work, including parameters and return values. Beginner-friendly guide with simple examples.
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//Goal of Day 8
//By the end of Day 8, the student will:
//Understand what a function is
//Create reusable blocks of code
//Use parameters and return values correctly
//Think in modular, scalable logic
function add(){
console.log(2000+5000);
}
add();
// function with Parameters
function greet(name){
console.log("Hello "+ name);
}
greet("Khan");
greet("Ali");
// function with return values
function sum(a,b){
return a+b;
}
let result = sum(10,20);
console.log(result);
// salary calculator
function calculateSalary(basic,bonus){
return basic + bonus;
}
let totalSalary = calculateSalary(50000,1000);
console.log("Total Salary: " + totalSalary);
// Arrow function
const multiply = (x,y) => x*y;
let product = multiply(5,10);
console.log("Product: " + product);
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