Function createCounter

code/javascript/closure.js:23–29

()

var revealing;
(function (revealing) {
    function createCounter() {
        var val = 0;
        return {
            increment: function () { val++; },
            getVal: function () { return val; }
        };
    }
    var counter = createCounter();
    counter.increment();
    console.log(counter.getVal());