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alicewang3314 / sr-frontend-interview-questions-answered.md
Created October 17, 2024 05:01 — forked from josethz00/sr-frontend-interview-questions-answered.md
Sr. Frontend Interview Questions

Senior Frontend Interview Questions

Some questions about frontend development that might be in your next job interview. The questions were formulated by @mauvieira, a super senior fullstack developer

General Frontend

  • What are the strategies we can use to optimize the performance of web applications?

    • CDNs, GraphQL (maybe) to reduce overfetching, improve backend performance, use SSR and/or SSG, lazy loading for loading assets only when it's needed, minimize and compress HTML, CSS and JS files, and optimize images by compressing and resizing them.

  • What are Web Vitals (LCP, FID, CLS)? And how are they applied in the real world?

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alicewang3314 / Reading configuration files before application startup in Angular2 final release.md
Created April 2, 2019 19:02 — forked from fernandohu/Reading configuration files before application startup in Angular2 final release.md
Reading configuration files before application startup in Angular2 final release

Reading data before application startup in Angular 2

In this demonstration I will show you how to read data in Angular2 final release before application startup. You can use it to read configuration files like you do in other languages like Java, Python, Ruby, Php.

This is how the demonstration will load data:

a) It will read an env file named 'env.json'. This file indicates what is the current working environment. Options are: 'production' and 'development';

b) It will read a config JSON file based on what is found in env file. If env is "production", the file is 'config.production.json'. If env is "development", the file is 'config.development.json'.