Câu hỏi phỏng vấn Angular
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Why would you use lazy load...

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Lazy loading modules in an Angular application is a technique used to enhance the performance and user experience by loading modules only when they are required. Here are several reasons why you would use lazy loading in an Angular app:

  1. Improved Initial Load Time: Lazy loading helps in reducing the initial load time of the application. By only loading the modules that are necessary for the initial view, the amount of code that needs to be loaded and parsed by the browser is minimized. This results in a faster initial rendering of the application, providing a quicker, more responsive user experience to the user right from the start[1][2][3][5][6][11][12][13][14][15].

  2. Reduced Bandwidth Consumption: Since only the required modules are loaded on demand, lazy loading can significantly decrease the amount of data transferred over the network. This is particularly beneficial for users with limited bandwidth or those accessing the application over slow network connections[1][3][5][11][15].

  3. Enhanced User Experience: By loading modules asynchronously as they are needed, lazy loading can lead to a smoother and more responsive user interface. Users can interact with the initial view of the application without having to wait for the entire application to load[1][2][3][5][11][12][13][14][15].

  4. Improved Performance Over Time: As the application grows in size and complexity, lazy loading helps maintain performance by only loading what is necessary at any given time. This modular approach can prevent the application from becoming bloated and sluggish as additional features and modules are added[1][2][3][5][11][12][13][14][15].

  5. Better Resource Management: Lazy loading promotes efficient use of system resources such as memory and CPU. Since the browser loads fewer resources initially, it uses less memory and CPU power, which can be crucial for devices with limited resources[1][2][3][5][11][12][13][14][15].

  6. Simplified Maintenance and Scalability: By structuring the application into feature modules that can be loaded independently, lazy loading encourages a more modular and maintain...

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