What are polyfills and why are they important in web development?
Polyfills are scripts that enable web applications to use features that are not supported by all browsers. They help ensure compatibility.
Can you give me an example of a common polyfill?
Sure! A common polyfill is the 'Promise' polyfill, which allows older browsers to support the Promise API for asynchronous operations.
How do I implement a polyfill in my project?
You can include a polyfill by adding a script tag in your HTML that links to the polyfill library, or by installing it via npm.
Are there any downsides to using polyfills?
Yes, using polyfills can increase the size of your JavaScript files and may affect performance, especially on older devices.
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