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Supports standard output, errors, input prompts, and syntax errors.Test modern ECMAScript features in an isolated Web Worker sandbox. Instant execution for async functions, array pipelines, promises, and algorithms.
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const fetchUserData = async (id) => {
return new Promise((resolve) => {
setTimeout(() => resolve({ id, name: "Sarah", role: "Architect" }), 50);
});
};
const user = await fetchUserData(101);
console.log("Loaded:", user);Yes! The compiler runs within modern browser JavaScript engines, providing complete access to modern ES2024 APIs.