Understand the full stack the tools that front end developers use every day, from HTML to React, plus server side back-end JavaScript libraries with Express.js. and this web technologies cover all most 90% in this web technologies have vast field and a can’t learn all that web technologies so, choose where you want to move web technologies, whether in
Designing
Developing
Testing
you can go for basic leaning and can visit website like w3school that’s a free website where you can easily find good content for beginner level