Angular FAQ: Top Questions

40. What is AOT compilation in Angular?

AOT (Ahead-of-Time) compilation compiles Angular HTML and TypeScript code into efficient JavaScript before the browser downloads and runs the code. It improves performance and security.

Faster rendering because templates are precompiled.
Detects template errors early during build.
Reduces Angular framework size in final bundle.

It is enabled by default in production builds using ng build --prod.

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