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Ask HN: JavaScript tips and tricks
Hey hackers
Let's share your javascript tips & tricks.
For example:
~~2 === Math.floor(2); // true
- lollipop25 11y agoArray(3).fill('ha').join(''); Array(16).fill('na').join(' ') + ' Batmaaan!!!';
- leppr 11y agowindow.addEventListener("beforeunload", function () { alert("You just won our user lottery! Sign-up for a FREE iPad!"); return false; }