ByxScript

var i = 123
var d = 3.14
var b1 = true
var b2 = false
var s = 'hello'
var list = [1, 2, 3.14, 'hello']
var fun = (a, b) => a + b
var obj = {
    name: 'byx',
    age: 21,
    scores: [87, 95, 81]
}

func fib(n) {
    if (n == 1 || n == 2) {
        return 1
    }
    return fib(n - 1) + fib(n - 2)
}

var fib = n => {
    if (n == 1 || n == 2) {
        return 1
    }
    return fib(n - 1) + fib(n - 2)
}

var score = 72
if (85 < score && score <= 100) {
    println('excellent')
} else if (75 < score && score <= 85) {
    println('good')
} else if (60 < score && score <= 75) {
    println('pass')
} else {
    println('failed')
}

var s = 0
var i = 1
while (i <= 100) {
    s += i
    i++
}
println(s) // 5050

var s = 0
for (var i = 1; i <= 100; ++i) {
    s += i
}
println(s) //5050

try {
    println('try')
    throw 'exception'
} catch (e) {
    println('catch', e)
}

func Counter(init) {
    var cnt = init
    return {
        current: () => cnt,
        inc() {cnt++},
        dec() {cnt--}
    }
}

var c1 = Counter(100)
println(c1.current()) // 100
c1.inc()
println(c1.current()) // 101
c1.inc()
println(c1.current()) // 102
c1.dec()
println(c1.current()) // 101
c1.dec()
println(c1.current()) // 100

var c2 = Counter(200)
println(c2.current()) // 200
c2.inc()
println(c2.current()) // 201
c2.inc()
println(c2.current()) // 202
c2.dec()
println(c2.current()) // 201
c2.dec()
println(c2.current()) // 200