# JavaScript (ES6), 27 bytes <!-- language-all: lang-javascript --> x=>{while(!(x&&x==false));} [Try it online!][TIO-j5joruou] [TIO-j5joruou]: https://tio.run/##y0osSyxOLsosKNHNy09J/Z9m@7/C1q66PCMzJ1VDUaNCTa3C1jYtMac4VVPTuvZ/moaSR6aikuZ/AA "JavaScript (Node.js) – Try It Online"