It is more specific to the JS landscape than others. That said - once you do 'catch up' - staying on top should not be so absolutely hard - you need to pick an

It is more specific to the JS landscape than others. That said - once you do 'catch up' - staying on top should not be so absolutely hard - you need to pick and chose your battles. Node.js is probably something you need to learn. Most other frameworks ... you can wait until they are popular, but then you should toy with them. Once you get used to the concept, learning new one's won't be that-that hard. You don't need to an expert in any of them - very few people are.