Hi there!
Today, I'll be sharing some useful JS array methods that I use daily. These methods will surely level up your game as a beginner. 💪 Let'...
For further actions, you may consider blocking this person and/or reporting abuse
Great post! I would be wary about using reduce though it's often advised against usage especially from most eslint rulesets. Often due to the fact (as you even mentioned in the post) that reduce looks hard and can be hard to understand.
"X looks hard" is not a good reason not to use something.
reduce(orfold, orinject, or whatever other programming languages call it) is an incredibly useful function and should be used.Thank you.
And
reduce()is actually very simple, once you get it. My life has been a lot easier withreduce().I do agree that reduce isn't that complicated but I was trying to just explain (which I may have done badly) that instead of using reduce its often better to avoid it and using something simpler to understand. For example using .sum is a lot better than using reduce because it's self descriptive in what it does.
That doesn't mean there isn't a usecase for reduce I'd just use it sparingly. But of course that's just my opinion!
I find staticMap() a very underrated function
I am not sure what you're talking about. Can you provide a reference? I'd love to read about it.
Sorry, its flatMap
developer.mozilla.org/en-US/docs/W...
The array.map() returns a single item per item in the array. with flatMap you can return multiple or no items per item in the array you are iterating over
Yes! I've used it recently. But I think it's for specific cases only. Not something you'd use every day. But again, really useful and a pretty one. ✌️
Maybe, I'll make a Part 2 for these kinds of methods. 😉
Just want to highlight something in Array filter example :
adultsOnlyList & noMenList will return array of object if you want to print name then you need to map that array one more time like this :
const adultList = persons.filter( person => person.age > 18).map( person => person.name);
// output of adultList --> [ 'Mark', 'Julia' ]
it will return array which will contain only name of person which are above 18.
Oh yeah! My bad.
*cries in
NodeList*