How to achieve the effect of up and down racing lights in Angular? Desperate for an answer

now using Angular to make an app, is baffled by an effect.
as shown in figure

what you want to achieve is the effect of regular scrolling upward. After a period of time, scroll up a message. How should it be realized in Angular?

Mar.21,2022

you can try the racing lantern effect of ng-zorro https://ng.ant.design/compone.


I have written one before, using native writing, I think this implementation should have nothing to do with what framework is used. Just rewrite it as angular
https://codeshelper.com/a/11.

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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-64f5-1b36064-4056a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b36064-4056a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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