Draw canvas ring loading diagram according to the progress of asynchronously loading JS files

var fileArr = ["js1","js2".]

iterate through the fileArr array and insert the script tag into the body tag. At the same time, each JS file is uploaded successfully, an onload interface is exposed, and the upload progress is transferred to canvas to draw a circular loading diagram.

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Mar.05,2021
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-64f5-1be6a7d-3055d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1be6a7d-3055d.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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