node.js summary?

T

T3R3AND2020-02-19 20:34:58

JavaScript

T3R3AND, 2020-02-19 20:34:58

node.js summary?

Tell me there is such a function "Summary". And how can I make it according to a certain parameter.
For example, I have: users.length.
And I also want users.group.lengthto count users of group 1 only.

Reply

Answer the question

In order to leave comments, you need to log in

1 answer(s)

T

T3R3AND, 2020-02-19
@T3R3AND

Solution: users.filter(user => user.group === 1).length
Thanks: @hzzzzl

Similar questions

G

graph zero2019-12-16 23:30:22

Table horizontal scrolling: overflow not working? 3Reply

D

Danil Vaskevich2021-06-01 14:31:57

How to fix an error in the = operator? 2Reply

A

Andrey Fedorov2015-08-19 22:13:50

Why fonts are not connected + https://developers.google.com/speed/pagespeed/insights? 2Reply

A

Aleksandrov2017-07-26 15:33:40

Error sending request with fetch? 3Reply

N

Nikolai Savelyev2017-07-31 08:37:15

How to separate x32 and x64 OS in playbook? 2Reply

Didn't find what you were looking for?

Ask your question