frontend skills

Question

Can anyone kindly explain any in this list of skills of professional frontend developers:

- Unit Testing
- UX design
- Web Content Accessibility
- Localization
- Consuming RESTful APIs
- Working with design assets for web development.
- Mobile First vs Desktop First RWD
- Cross Browser / Mobile Web Device Development Techniques
- Working with SPA vs Server MVC Web UIs
- Various Authentication Strategies
- Progressive / Adaptive Web Design Techniques
- Debugging / Troubleshooting Techniques for Javascript and CSS related issues.

If learning resources are also provided in addition to explanation, we will greatly appreciate.

Furthermore, is there any metrics to measure the capability for each of the above skill?

Answer 1

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https://skillcrush.com/2016/02/11/skills-to-become-a-front-end-developer/