What is core-js and how do I use it in my project?
Core-js is a modular standard library for JavaScript that includes polyfills for ECMAScript features. You can use it by installing it via npm and importing the specific features you need.
Can you show me how to install it?
Sure! You can install core-js using npm with the command: npm install core-js
. After that, you can import the features you need in your JavaScript files.
What are some common features I might need?
Common features include Promises, Symbol, and Array methods like flatMap
. You can check the core-js documentation for a full list.
Is it compatible with older browsers?
Yes, core-js provides polyfills that help ensure compatibility with older browsers by adding missing features.
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