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Tag: reactjs

React – Missing data in lifted state

The goal – I want to set some local form state based on interaction with three checkboxes (see below). The rule – If two options are selected then the channel state should be set to ‘multi’ if one option is selected then the channel state should be the value of the checkbox that is selected (eg eml, push, inapp). The

React: How to set a component in ‘active’ state one at a time, and remove ‘active’ from all other component on click?

I want to set a particular component as active on click, and update the active component when some other component is clicked. Currently, both the components are remaining in active state. I want to remove active state from previously clicked component. Answer To make it general, let’s imagine that you have not just two components, but any number of components.

Can’t npm install local dependency

I’ve been using npm install react-financial-charts successfully. However, I want to include this package locally instead (for reasons), so I checked out the master branch of react-financial-charts from Github. I now have two folders: Inside of my project, my package.json contains: npm run dev will now encounter the compile error corresponding to a basic import statement import { BarSeries }

How to replace Array in useState?

I want make program that table content is changed by user’s select. So I put empty array in useState, like this. And select html code: When I select option, data will be changed. But I don’t no how to do it with useState. These are data And my React code: I tried using map. But I don’t know how to

Mongodb positional operator is not working

When I am trying to update just “title”, it is working fine, but if I am trying to update the nested object in the array, it is not working. Data: Data Working: Not working: Answer Demo – https://mongoplayground.net/p/caFBz-lx8dQ Use $[] The filtered positional operator $[] identifies the array elements that match the arrayFilters conditions for an update operation

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