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Tag: reactjs

Socket listener not getting updates from React state

I have a component in which I set my state from the passed parameters to the component I set the activeList state from the passed params and then on click I update the state in order to show filtered results So ultimately users can filter their chat lists based on the chosen index And everything works fine, t…

Using UseState in Reactjs

I am trying to map the values of userIDs to listUserIds, and then use values of listUserIds as keys in listUser function. But it only show the last value. What did I go wrong? } Answer You can set the values like this. using map you can collect all the ids then you can update the state.

Only allow one React Accordion to be expanded at once

I have an array of data that will be used to create accordions, I’d like to make it so that only one of them can be expanded at once (i.e, if the user expands accordion #1 and then #2, #1 will un-expand) I have this code: I’m quite new to React so I suspect I’ve made a mistake with the

Data defined, but return undefined

I get an error after compiling it but I have defined it and fetch the data using async await but get a TypeError: data[index] is undefined I have stuck for several hours and still come out with no solution. Furthermore, I have tried to destructed it but still get the same error. Using data.map() works, but I …

How to override div onClick event when button is clicked?

I am trying to stop the parent div from executing an onClick event when the child Delete button is clicked. I tried to implement event.stopPropogation however, it gives me an error. Answer In case anyone has the same problem as me, simply use e.stopPropogation(). This stops the click event from bubbling up to…