Webpack4.X index.js loaded twice

according to the practice of webpack official website:

clipboard.png
index.html


src/index.js


webpack.config.js


package.json


:

clipboard.png

clipboard.png

clipboard.png
Q: why was it executed twice? Ask the Great God to tell


< script src= "main.js" > < / script > since you chose htmlWebpackPlugin, this sentence is superfluous.
this causes you to quote main.js twice, and of course you output twice

.
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-64f5-1b35faf-2bfe4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b35faf-2bfe4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?