# Multiple calling in IIFE in JavaScript

Let them offer you a tricky task: make some calling parentheses, like this:

`(function() { // some code })()(); // multiple calling parentheses`

If you think about it, it becomes obvious that in this case the in-place function call should return an anonymous function, like this:

`(function() { return function() { console.log('!'); }; })()(); // shows '!'`

Add the following code so that, when its running, `'!'` will be displayed:

`(function() { // some code })()()();`

Add the following code so that its launch prints the sum of the numbers passed in the parameters:

`(function() { // some code })(1)(2);`

Add the following code so that its launch prints the sum of the numbers passed in the parameters:

`(function() { // some code })(1)(2)(3);`
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