Closure - Alternates

Closure - Alternates

// 1/5/2016

// write a function that will return a value that alternates
// between a and b

// var alternate = createFunc2()
// alternate() => 'a'
// alternate() => 'b'
// alternate() => 'a'
// alternate() => 'b'

function createFunc() {
    var value = 'a';
    function increment() {
        if (value==='a') {
            console.log('a')
            value='b'
        }
        else {
            console.log('b')
            value='a'
        }
    }
    return increment
}

var print= createFunc()

print();
print();
print();
print();