How Angular Applications Boot

How Angular Applications Boot

Learn how Angular applications Boot. Angular must bootstrap the root Angular application module, and render the application. Angular and trigger the bootstrap of the root Angular application module.

Did you ever wonder how Angular applications start up?

In this article, I’ll give you an overview of how Angular applications are bootstrapped. Note that this is an article for beginners, not a deep-dive.

High-level process

For an Angular application to start, multiple things have to happen within the Web browser:

  • The HTML of the entry point must be loaded
  • The different JavaScript bundles of the application must be loaded
  • The main bundle of the application must be executed
  • The main bundle must load Angular and trigger the bootstrap of the root Angular application module
  • Angular must bootstrap the root Angular application module, and render the application

Let’s look at those steps a bit more in detail.

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