What are some examples of polyfills in JavaScript?
An example of an AI chatbot conversation about polyfills in JavaScript.
What are some examples of polyfills in JavaScript?
Polyfills are scripts that provide modern functionality on older browsers. For example, the Promise object can be polyfilled using libraries like 'es6-promise'.
Can you give me another example?
Sure! The fetch API can be polyfilled using the 'whatwg-fetch' library, allowing older browsers to use it.
How do I implement a polyfill?
To implement a polyfill, you simply include the polyfill script in your HTML before your main script. This ensures the functionality is available.
Are there any downsides to using polyfills?
Yes, polyfills can increase the size of your JavaScript files and may affect performance, especially on older devices.
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