JAVASCRIPT

self invoked function javascript

(function(){
    //Bunch of code...
})();

self invoking function javascript es6

(() => {
  console.log('Ok');
})()

self-invoking function

() => {
	//some code
} () // without last scopes it's anonymous function

Self Invoking Function In JavaScript

		   (function(){
		    // all your code here
			  alert("XXXXXX");
		  })();
          /*this field executes immediates when it created*/