JAVASCRIPT

immediately invoked function in javascript

// IIFE
(function () {
  console.log('Awesome');
}());

immediately invoked function expression

(function(name){
console.log("Hello "+name);
})('Shirshak'); //Hello Shirshak 

//using function expression
var name = function (){
console.log("Hello "+name) //Hello Shirshak
}();

javascript Immediately Invoked Function Expression

result = (function(a, b){
    return a - b;
})(100, 42);

console.log(result); // 58

Immediately-Invoked Function javascript

(() => {
  /* */
})()

Immediately-Invoked Function javascript

(function() {
  /* */
})()

immediately invoked function expression

(function () {
    var aName = "Barry";
})();
// Variable aName is not accessible from the outside scope
aName // throws "Uncaught ReferenceError: aName is not defined"

js immediately invoked function

//IIFE
//Need to wrap function in ()
(function() {
	console.log("I will only run once");
})(); //Immediately calling it.

//Arrow Function
(() => console.log("Will only run once Arrow Function"))();