What are polyfills in Angular and why are they important?
Polyfills are scripts that provide modern functionality on older browsers that do not support it natively. In Angular, they ensure that your application runs smoothly across different environments.
Can you give me examples of common polyfills used in Angular?
Sure! Common polyfills in Angular include 'core-js' for ES6 features, 'zone.js' for change detection, and 'reflect-metadata' for decorators.
How do I add polyfills to my Angular project?
You can add polyfills by modifying the 'polyfills.ts' file in your Angular project. Just uncomment or add the necessary imports.
Are there any performance implications of using polyfills?
Yes, using polyfills can increase the bundle size and potentially affect performance, so it's important to only include what you need.
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