How to achieve server-side data into the source code is conducive to seo, but the data processing is the local js processing?

https://live.leisu.com/
can refer to this website. There is the latest returned data in the source code, which can be used by seo, but his rendering is local js (otherwise, how can there be animation waiting)?

Node.js java html5 php javascript
Apr.09,2022

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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-64f5-1e54822-452d1.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e54822-452d1.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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