Can someone explain if these two different ways are the same or different?

[Pranab]

//with using closure

function wrapValue(n){
            var localVar = n;
            return function(){ return localVar;};       
        }
var wrap1 = wrapValue(12);
        var wrap2 = wrapValue(24);

        console.log(wrap1());//12

// I will try and do this

function wrapValue(n){
            return n;
        }

        var variable1 = wrapValue(12);

        console.log(variable1);//12

        var variable2 = wrapValue(24);

        console.log(variable2);//24

So, those two are basically same or not and when do i use closure?

[Author]

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