#javascript#ecmascript_proposals#es2015#es2019#es6#es7#esnext#javascript#js#polyfill#ponyfill#promise#proposal#proposals#shim#symbol#weakmap
core-js is a modular JavaScript library that provides polyfills for modern ECMAScript features up to 2024, including promises, symbols, collections, iterators, typed arrays, and many web standards like URL and structuredClone. It lets you use new JavaScript features in older browsers by loading only the needed parts without polluting the global namespace. It integrates well with tools like Babel and swc for optimized polyfilling. This helps you write modern, compatible code that runs smoothly across different environments, improving development efficiency and user experience. You can customize polyfill usage and even build your own tailored version for your project.
https://github.com/zloirock/core-js
🌎 A year on Venus lasts 225 Earth days, but its day is even longer—one Venus rotation takes about 243 Earth days. Venus rotates backward compared to most planets, spinning in the opposite direction to its orbit. ✨
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🪐 The distance from Earth to Proxima Centauri, the closest known star beyond our Sun, is about 4.24 light-years—a distance so vast that if you traveled as fast as New Horizons (the fastest spacecraft launched from Earth), it would take over 78,000 years to get there. Even within our own solar system, Neptune is so far from the Sun—about 4.5 billion kilometers—that sunlight takes over four hours to reach it, showing how truly immense the spaces between cosmic objects really are. ✨
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🪐 The giant planet Neptune radiates more energy into space than it receives from the Sun, which is surprising given its great distance from our star. Scientists think this extra heat may come from leftover warmth trapped during Neptune's formation or from slow processes deep within its icy, swirling interior, making Neptune a truly mysterious world at the edge of our solar system. ✨
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🪐 It takes the Voyager 1 spacecraft, humanity’s most distant probe, over 19 hours just for a radio signal to travel the 24 billion kilometers between it and Earth—showing how even within our own solar neighborhood, space distances make communication a true journey through time. Each moment spent waiting for a reply from Voyager 1 is a reminder of just how vast the spaces between worlds and stars really are. ✨
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