I don't think it matters that much what library or framework you use as long as you understand the core technology html/css/js. Most of the times the project stack is already decided by the client or the company you work for.
Besides learning the core stack really well, it's also great to use tools that speed up your development process. For example with Desech Studio you can just import your figma, sketch, adobexd design file, and then you integrate with react, angular, vue and even design systems like material design and you're set.
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I don't think it matters that much what library or framework you use as long as you understand the core technology html/css/js. Most of the times the project stack is already decided by the client or the company you work for.
Besides learning the core stack really well, it's also great to use tools that speed up your development process. For example with Desech Studio you can just import your figma, sketch, adobexd design file, and then you integrate with react, angular, vue and even design systems like material design and you're set.