How to use polyfills in Angular application?
To use polyfills in an Angular application, you can include them in your application code by adding them to the
polyfills.ts file, which is located in the
src/ directory of your Angular project.
To add a polyfill to the
polyfills.ts file, you can either import it from a library, such as the
core-js library, or you can include the polyfill directly in the file using the
import statement. For example, to add the polyfill for
Array.prototype.includes, you can add the following code to the
Alternatively, you can use a polyfill service, such as Polyfill.io, to automatically provide the necessary polyfills based on the user's browser and the features used by your Angular application. To use Polyfill.io, you can include the following script in the
index.html file of your Angular project:
This will automatically provide the necessary polyfills for the features specified in the
features parameter, which in this case is
features parameter, separated by commas.