Closure

// CLOSURE

function outerFunction(){
   
    // outer variable
    var x = 20;

    function innerFunction(someArgument){

        // inner variable
        var y = 10;

        console.log('Outer variable is ' + x + ' and argument is ' + someArgument);
    }
    outerFunction.innerFunction = innerFunction;
}

// call the outer function

outerFunction.innerFunction(50);

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