- has used the a tag, and now seems to preview
https://codepen.io/huoguozhan.
- has tried to say it on the Internet. Using canvas may cause an error canvas.xxx is not function
https://codepen.io/huoguozhan.
this is the problem of setting the http header
https://blog.csdn.net/myth_g/.
https://github.com/azl3979858.
check the information, a download has cross-domain restrictions. You can also use canvas, so you can only set
mdn: a
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