javascript - passing down values to an IIFE function -

this might stupid question have looked everywhere , coming last resort. doubt iife function looks

var me = (function() { /*code*/} )(); me();                        

i have not seen code has variables passed down far. possible pass down values iife function? have tried using

var person = (function(name,age){     this.name = name;     this.age = age;      }());   person("bob smith", 30);  

which gives me undefined error.

so there way pass down these values iife or should avoided?

this iife parameters:

(function (a, b) {     alert(a + b); }('hello', ' world')); 

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what seem doing, others said, constructor, there's no need them there.

you constructor way if wanted:

function person(name, age) {     this.name = name;     this.age = age; }  var bob = new person('bob smith', 30); 

you anonymously invoked constructor, that's pointless since it's one-use type of deal, , wouldn't need constructor that.