Each business needs emerging technology to THRIVE, WHETHER it is mobile or web application development. This is why they hire front-end developers, back-end developers, or full-stack developers depending on their technology needs. According to industry experts, candidates who are passionate about full-stack development should be aware of these trends:

• The rise in frameworks and LIBRARIES like ReacJs and VueJs, progressive APPS,  real-time web apps, and mobile web development.
• Enhancements to JavaScript are beneficial to programming
• The emergence of a more compatible extension.

The interviewer MAY ask you how you keep updated with new trends in the industry. You can explain how you gain your knowledge and understanding by learning from friends, colleagues, or online. That's an appropriate way of answering the question. This is a good time to show off any personal projects you have undertaken that apply your skills. Also, you might mention the webinars or forums that you attend regularly.