How do you understand each return in the following code?

clipboard.png
can you explain how this code works? In particular, how are several return implemented?

For-cycle return javascript
Mar.14,2021

execute:

  1. If specId is undefined (or other variables that are No ), then false is returned.
  2. for-of traverses the list array and returns that item
    3. if the condition is met
  3. indicates that none of the above array meets the condition, and returns false

transform 

  
 if you don't understand the meaning of these return, you need to hurry back and take a look at the basics of js

Previous: How to obtain the facebook image? Or even save it to this machine?

Next: Error uninstalling global installation module in npm

css mysql arrays josn react html typescript webpack npm sass R objective-c .net sql-server jquery python-3.x angularjs django angular excel regex iphone ajax linux xml pandas vba spring database wordpress string wpf xcode windows bash postgresql oracle multithreading eclipse list firebase algorithm macos forms image scala visual-studio azure bootstrap spring-boot react-native python-2.7 docker performance function winforms matlab powershell apache dataframe api sqlite numpy rest shell selenium flutter dart maven loops qt swing android-studio csv express file class tensorflow sorting codeigniter perl
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b310db-2bd55.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b310db-2bd55.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?