We were told to update the state this way in previous challenges I wonder why it doesn’t work here and only works when we update the state directly. See my comments below When do we update directly and when do we update using the function way. As per my understanding, this function way of updati…

Hi @ankurchaulagain ! I am sure one of the pros can explain it in a more clean concise way than I can. But I’ll try my best. :grinning: [image] ankurchaulagain: When do we update directly and when do we update using the function way. Are you talking when do you have to use a function insi…

Yeah, that was a pretty good explanation. I would just add that my (slightly) informed judgement is that I use the functional form if the new state if based on the old state or if there is a chance that a bunch of non idempotent calls to setState may be fired off in rapid succession. If it’s just …

Thank you guys. I was also interested in knowing/curious why I couldn’t type anything when I am using functional one in this challenge. Like I was trying to traverse through the code but couldn’t exactly figure out why. In the beginning we have this.state set to the current state which in the begi…

[image] ankurchaulagain: I was also interested in knowing/curious why I couldn’t type anything when I am using functional one in this challenge. I am not sure I understand what you mean by functional one. Were you trying to rewrite it as a functional component instead of a class based one? I…

I think what you are asking is why the event.target.value is not working inside the setState updater function? [image] React Create a Controlled Input explanation please JavaScript Just a quick FYI regarding the first code example you posted. You do not have access to eve…

What I meant was why I could not update the state using functions. That is if I used function to update the state it doesn’t work here. It only works here if I update state directly. I think it’s because of FCC using older version of react like the next answer says.

I should have linked to this post instead as it gives a bit more info. [image] My React app don't work JavaScript You are not using the current state for the state update. This means the updater function is not needed and you should just be using an object. handleChange(…

Create a Controlled Input. Can someone please explain why it doesn't work this way

Curriculum Help

lasjorg June 26, 2021, 12:58am 8

I should have linked to this post instead as it gives a bit more info.

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Create a Controlled Input. Can someone please explain why it doesn't work this way

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