I’m going to assume you’re either a beginner or novice based on the codenewbie tag.
For frontend you’ll want a good grasp on responsive design (see also Mobile First), tooling for JavaScript such as Babel and TypeScript and CSS Preprocessors like PostCSS, Sass and Less.
For backend I’d mostly recommend learning how to use databases and security, especially protection against SQL Injections and Cross Site Scripting.
On top of web-specific stuff, learn Git. Git is incredibly popular and powerful.
This list is nowhere near all the things you’d end up learning, but I feel these are among the more important.
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I’m going to assume you’re either a beginner or novice based on the codenewbie tag.
For frontend you’ll want a good grasp on responsive design (see also Mobile First), tooling for JavaScript such as Babel and TypeScript and CSS Preprocessors like PostCSS, Sass and Less.
For backend I’d mostly recommend learning how to use databases and security, especially protection against SQL Injections and Cross Site Scripting.
On top of web-specific stuff, learn Git. Git is incredibly popular and powerful.
This list is nowhere near all the things you’d end up learning, but I feel these are among the more important.