$(window). Height () is incorrect or how to correctly obtain the visual height of browsing

$(window). Height () is not correct to get the visual height of the page; it is not normal for one page to get the visible height of the other page. Why? Or how to get the browser visual height correctly?

Mar.10,2022

window is holding a browser, while the console is watching body.

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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-64f5-1e5f1de-457f0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e5f1de-457f0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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