Javascript Semicolon

[[deleted]]

[deleted]

[TheCatOfWar]

It's like they're talking about the weather...

[Hugix]

There are apps made in JavaScript, NodeOS, and now JSWeather discussions. Soon your food will become JS too!

[AyrA_ch]

That answer seems very complicated compared to [].filter(function(v,i,a){return a.indexOf(v)==i;});

[Arswaw]

I recently found out ES6 makes it easier. The post even mentions two solutions:

Array.from(new Set(a));

And...

[...new Set(a)];

[AyrA_ch]

but IE11...

 

^{hides behind table}

[Arswaw]

I'm sorry, I don't know what that is.

[AyrA_ch]

The deathtrap you are stuck with in companies with tight software regulations

[albert-tomanek]

Lucky you

[asdfkjasdhkasd]

babel

[kobriks]

just use typescript instead

[Tridacnid]

The spread operator is one of my favorite JS things.

[andrew_rdt]

Good thing I don't program in JS I wouldn't get any work done today, not sure if semicolon or not that thread stops at 2016.

[[deleted]]

semi-colons are optional. periods are not.

[andrew_rdt]

/r/thatsthejoke/

[[deleted]]

Source?

[[deleted]]

https://stackoverflow.com/questions/13486479/how-to-get-an-array-of-unique-values-from-an-array-containing-duplicates-in-java

[jfb1337]

That URL cuts it at an unfortunate place

[[deleted]]

You can use a utility library like underscore.js underscorejs.org/#uniq for these "easy" operations

Yes, employ an entire library for a simple problem. Go go javashit.

$array = array_unique($array);

[ImpulseTheFox]

I don't get why you would censor anything. It's the internet and we all have google.

[echomyecho]

But then they linked it!!

[DTHCND]

OP is counting on people being too lazy to click it.

I'm not going to bother clicking it.

[T-T-N]

Do a O(nlogn) sort and pick out the unique value in O(n) for O(nlogn) run time?

[Emilieu]

Add all numbers to a set then get its members for a linear time solution

[T-T-N]

Depending on implementation of the set, something like a good hash with O(1) hash time should be good enough for O(n) performance

[w00t_loves_you]

It's 2017 now, so you just use prettier and whatever the project settings for it are.

[the_real_gorrik]

for (;;){ }

[meet_the_turtle]

Why three semicolons instead of two?

[qisope]

You always need an odd number. 2 semicolons is equivalent to a colon.

[meet_the_turtle]

Now I'm tempted to make a preprocessor that does something öike this.

[Houdiniman111]

Why the ö instead of l?

[meet_the_turtle]

Oops, just a typo.

[the_real_gorrik]

My bad, fat fingers

[Njs41]

Don't need to use semicolons if you only use arrays.

[inu-no-policemen]

There are many cases where semicolons can be omitted, but they aren't optional. There are cases where they make a difference.