my little demo

1. Add tool: show tip with use chalk
2. Create proxy server
3. Create server to get csrss domain data(????)
4. Find xxx.js file in folder
5. wait...
6. Try to use jest
7. Create crop image tool: use bg => html2canvas => img
8. Printing loading in svg(has effect)
9. Covert ajax to a promise form
10. Use compostion and render props instead of context api
11. Use mathjax to convert Latex string
12. Create simple debounce as lodash
13. Use index as key in rc will cause problems
14. Use recursion to flattern array(three options???)
15. CSS effect: drop down to change close
16. node-fetch replace fetch in brower
17. add(1)(2)...(n) solution
18. simple spa
19. migrate post from csdn
20. use pdf-viewer to show pdf
21. A simple i18n
22. Starry sky by three.js
23. Batch rename file, such as: js to ts/tsx
24. Determine whether the dependencies of the project and the dependent versions in the dependencies are consistent
25. Resource static: download iconfont's files
26. make vendor fron node_modules bu gulp
27. download files and concat one file by gulp
28. css-doodle, very interesting，reference
29. HTML5 canvas drawImage with at an angle