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Typeahead within a dropdown within a dropdown within a dream

Have you ever wanted to make a dropdown menu with multiple levels and a typeahead feature? I created this with ngx-bootstrap.

ngx-bootstrap is an open-source library that provides a set of native Angular directives and components that are built on top of the popular Bootstrap framework. It enables developers to easily integrate Bootstrap's CSS styling and interactive components into Angular applications using Angular-specific syntax and APIs.

The primary goal of ngx-bootstrap is to enhance the development experience for Angular developers by providing a seamless way to use Bootstrap components without the need for manual jQuery or JavaScript integration. This allows you to take advantage of Bootstrap's design and functionality while leveraging the power of Angular's component-based architecture.

Key features and benefits of ngx-bootstrap include:

Angular Directives and Components: ngx-bootstrap offers Angular-specific directives and components for common Bootstrap elements like modals, tooltips, carousels, date pickers, and more. These components can be used seamlessly in your Angular templates.

Bootstrap Styling: You can apply Bootstrap's CSS styling and responsive design to your Angular components without the need to manually include Bootstrap's JavaScript or jQuery dependencies.

Customization: ngx-bootstrap provides options for customizing the behavior and appearance of its components to match your application's design and branding.

Performance: By using Angular's native components and change detection, ngx-bootstrap can offer better performance and maintainability compared to traditional jQuery-based integrations.

Integration with Reactive Forms: Many ngx-bootstrap components are designed to work well with Angular's reactive forms, providing seamless integration with form controls and validation.

No jQuery Dependency: Unlike the original Bootstrap, ngx-bootstrap does not rely on jQuery, reducing potential conflicts and improving compatibility with modern front-end practices.

Here's a simple example of how you might use ngx-bootstrap to create a modal dialog in an Angular component:

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