JAVASCRIPT

Self Invoking Function Simpler Syntax

(function () {
			  console.log("first");
			  $ = function (){
				  console.log("second");
			  }	  
		  })()
          /*without the $= part in the other example, $() can be invoked outside the function*/

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*/