himeshvats19

function name(parameters){
  statements
}

himeshvats19

let name = function(parameters){
  statements
}

himeshvats19

let name = function(parameters){
  statements
}

himeshvats19

let name = (parameters) => {
  statements
}

himeshvats19

let myFunction = new Function("a", "b", "return a * b");

himeshvats19

(function () {
  var x = "Hello!!";  // I will invoke myself
})();

himeshvats19

function hello(name) {
  return 'Hello ' + name + '!';
}
// Function invocation
var message = hello('World');
console.log(message); // => 'Hello World!'

himeshvats19

var message = (function(name) {
   return 'Hello ' + name + '!';
})('World');
console.log(message) // => 'Hello World!'

himeshvats19

function hello(name) {
  return 'Hello ' + name + '!';
}
// Function invocation
var message = hello('World');
console.log(message); // => 'Hello World!'

himeshvats19

var myObject = {
  // helloFunction is a method
  helloFunction: function() {
    return 'Hello World!';
  }
};
var message = myObject.helloFunction();