immediately invoked function js code example

Example 1: javascript Immediately Invoked Function Expression

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

console.log(result); // 58

Example 2: Immediately-Invoked Function javascript

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

Example 3: Immediately-Invoked Function javascript

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

Example 4: immediately invoked function expression

(function () {
    statements
})();

Example 5: 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"