Results 2 issues of budblack

# Problem When I use regl command with a simple shader code, and set a framebuffer property.The result pixel always filled with ZERO. I think there's sth went wrong in...

- 原文网址:[The JavaScript Beginner's Handbook (2020 Edition)](https://www.freecodecamp.org/news/the-complete-javascript-handbook-f26b2c71719c/) - MarkDown 文件:https://github.com/freeCodeCamp/news-translation/edit/main/chinese/articles/the-complete-javascript-handbook-f26b2c71719c.md

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