how to determine current scrollY position TypeScript - react-tsx

I want to measure my current position with scollY like reactjs but I use react-ts so reactjs DOMs are not working. Please help me. Thank you.

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how we customize Material Ui dilogbox background overlay

I want to customize MuiBackdrop-root as well as the Dialog model and fully responsive please guide me if someone knows.
Thanks
My Try
WANT TO EXPECT

Ion-select UI for checkbox

I’m stuck on a quick change of the ion-select component.
I’m trying to keep a persistent way to display the alert, but checkbox are for sure doing what they want.
To explain, I need to put the checkbox on the right side of the alert. After investigations, I notice that on Android, it’s on the left by default, but in iOS, for a simple ion-select, squares are on the right, and when I use “multiple” property on ion-select, squares are going to be align on the left.
Does anybody knows how it’s possible to put these checkbox on right on all cases ?
N.B: There’s also something weird in iOS, when it’s an simple ion-select, it displays simple check without any circle. (Compares to multiple, that have circles with check on the left.)
Also, sorry for my english, improving it.
Thanks to all.
If you're using ionic 4/5, try using display:flex (Check this out for the details: https://css-tricks.com/snippets/css/a-guide-to-flexbox/). Plus, the css for popup component(alert,toast,loader, etc) wont work if you do it on the page.css file, thus I recommend to overwrite the CSS on the global.css file.

ngAnimate affects highcharts layout

I'm using highcharts-ng to display some chart. I now decided to add some animations to the application, but as I include ngAnimate as a module's dependency, I get some charts' layout messed up (they don't fit their container anymore). Is this a known issue? May this be related to my css of that particular part of the page? In such a case, would this mean there's some css class which is reserved for ngAnimate to work that I could have modified?
Is there a way I can verify this?
Thanks in advance!

Correct way to build a tooltip

All:
Could anyone show me some best practice about tooltip design, the tooltip in my project is like(I am currently using D3.js):
[1] It can be used across multiple charts, accepting html string
passed to it
[2] It need to be correctly position no matter if the
viewport has scale transformation applied or not
That is it. Thanks for help( modulized plugin-style is appreciated, event better if this tooltip can be a AngularJS directive)
I suggest you use Angular UI Bootstrap tooltips. You can find their documentation here.

Adobe Flex Mobile Custom SpinnerListContainer

Does anyone know how to change the "glass" color that highlights the selected item in a spinnerlistcontainer? I've found changing the background color of the list within the container, but not the actual container. I am not finding a lot of custom spinnerlists on the web. Thanks in advance for your help!
JH
You need to create a custom skin for your component. Check out these links
http://help.adobe.com/en_US/flex/mobileapps/WS7dd5c1363434bb70-316f71c51312e96191c-8000.html#WS19f279b149e7481c-3a8faf061320672b309-7ffd
http://margopowell.wordpress.com/2012/05/28/skinning-the-spinnerlist-for-flex-4-6-mobile/

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