I'm a professional PHP, Python and Javascript developer from the UK. I've worked with Django, Laravel, and React, among others. I also maintain a legacy Zend 1 application.
Mine would probably be map(), sort() and filter(), with an honourable mention for reduce().
Because I use React a lot, I often have to loop through a list of sub components to render. For that, map() is indispensable in transforming an array from a list of Javascript objects into React components. It's also common to have to sort and filter them.
On occasion I also need to produce some form of aggregate from array data, and the combination of map() and reduce() can be very powerful for that.
+1 for map. It's a really great and clean method to transform array data structures. Use it all the time, no matter if it's a React component or a vanilla javascript.
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Mine would probably be
map(),sort()andfilter(), with an honourable mention forreduce().Because I use React a lot, I often have to loop through a list of sub components to render. For that,
map()is indispensable in transforming an array from a list of Javascript objects into React components. It's also common to have to sort and filter them.On occasion I also need to produce some form of aggregate from array data, and the combination of
map()andreduce()can be very powerful for that.+1 for
map. It's a really great and clean method to transform array data structures. Use it all the time, no matter if it's a React component or a vanilla javascript.