Base/home/anon/Source/js/simple-scopes.js


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 //I should return `undefined` because y is bound to the inner-most enclosing function, i.e the nested one (bar()), therefore, it's undefined in the scope of foo()
function foo() {
    function bar() {
        var y = 6;
    }
    
    bar();
    return y;
}

console.log(foo());