Results 4 issues of An-Li Ting

Use KaTeX instead of MathJax for a faster TeX typesetting. ![screenshot_20171120_084054](https://user-images.githubusercontent.com/7554825/32997712-991c994e-cdce-11e7-9046-4d2a65e7dc24.png)

### Description I get an error like this: ``` Uncaught Error: Setting map 'renderingType' after instantiation is not supported. ``` It does not throw if only one of `renderingType` and...

bug

I am not sure if this is a suboptimal output. May something like this being minified to `export let b=()=>0,c=0;`? ``` export let b=()=>0, c=b() ``` On https://try.terser.org/, it is...

`draggableAt` of the following example does not work on my device: https://github.com/Temzasse/react-modal-sheet/blob/HEAD/example/components/ScrollableSnapPoints.tsx https://temzasse.github.io/react-modal-sheet/#/scrollable-snap-points What I expected is that, when the content is scrolled to top, the sheet is draggable.