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On iPhone/iPad: tap Share then Add to Home Screen.
Convert "hello world from node" to title case.
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Ready — edit the code above and click Run or Submit.
const s = "hello world from node";
console.log(s.split(" ").map(w => w[0].toUpperCase() + w.slice(1)).join(" "));
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Map over words—similar pattern to React list rendering.
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Install Toolliyo like an app Free
Home-screen access to tutorials, coding practice & career tools — no app store needed.
On iPhone/iPad: tap Share then Add to Home Screen.