JSFiddle - React, Tailwind, and code Playground

by Elazar Fein

JavaScript

var PinPad = {
    checkPin: function () {
        var spin = 75

        if (spin.startsWith("7") &&
            parseInt(spin[0]) === parseInt(spin[1]) + 2 &&
            spin % 100 === 91
        ) {
            var p0 = Number(spin.split('').slice(0, 1))
            var p1 = Number(spin.split('').slice(1, 2))
            var p2 = Number(spin.split('').slice(2, 3))
            var p3 = Number(spin.split('').slice(3, 4))
            alert('Congrats, the flag is: hl{' + String.fromCharCode(59 + p0, 96 + p1, 88 + p2, 102 + p3, 101 + p0,
                96 + p1, 36 + p2, 65 + p3, 104 + p0, 116 + p1, 106 + p2
            ) + '}')
            return true
        }
        alert('nope')
        return false
    }
}