JSFiddle - React, Tailwind, and code Playground

by mvasilkov

JavaScript

$()

alert(
    a == 0 && a == 1 && a == 2
    // returns true
)

































































































function $() {
    Object.defineProperty(window, 'a', {
        get: function () {
            return typeof _a == 'number'?
                ++_a: (_a=0)
        }
    })
}