immediately executed function js code example

Example 1: immediate invoke function js

(function () {
    statements
})();

Example 2: immediate invoke function js

(() => {
  // statements
})();

Example 3: 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"