Export and save after js modifies the contents of the json file

topic description

js modify the contents of the json file and export and save

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want to write a web page similar to online notes, the back end is not at all, just want to create a json file to record the number of people entering the page, time, and then display on the page.

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what result do you expect? What is the error message actually seen?

Operation method for js to modify json file and save it

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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-64f5-1e9158e-47106.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e9158e-47106.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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