Koa,webstorm reported an error

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as shown in the picture, red, is there something wrong

Feb.28,2021

No mistake, it's just that the js standard set by your webstorm is too low, at least es6 . For more information on setting method, please see https://www.cnblogs.com/hcxy/p/7118579.html

.

in addition, uniform code style is recommended, such as this

const someLib = require('someLib');

someAsyncFunc(v => {
  someCode;
});

there are spaces or no spaces before and after the assignment sign, of course, if you do not consider cooperation, it is purely personal preference, for reference only.

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-64f5-1e60b3b-4dc68.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1e60b3b-4dc68.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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