I think focused learning which isn’t necessary to carry out a role but which gives a deeper understanding of the languages or tools you’re working with can be a good idea.
For instance, using D3.js is fine but doing so with a solid understanding of SVG as a language means you’ll be much more productive and confident in what you’re doing.
There’s also value in learning a programming language which takes a different approach to the one you use. It’s a cliche but learning Haskell gave me a different perspective on how I could use JavaScript.
Learning stuff for the sake of it because you feel under pressure to know everything is a mistake for sure.
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I think focused learning which isn’t necessary to carry out a role but which gives a deeper understanding of the languages or tools you’re working with can be a good idea.
For instance, using D3.js is fine but doing so with a solid understanding of SVG as a language means you’ll be much more productive and confident in what you’re doing.
There’s also value in learning a programming language which takes a different approach to the one you use. It’s a cliche but learning Haskell gave me a different perspective on how I could use JavaScript.
Learning stuff for the sake of it because you feel under pressure to know everything is a mistake for sure.