It seems this concept is so basic, there’s a lack of documentation about it. I can pass objects as props, but can’t seem to pass a basic string literal. Functional Component I have a functional component that takes a typed prop, like so: and call it like so: Error VSCode throws the error on ChildC…
Tag: javascript
promise doesn’t work, how to use catch in this way? [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 6 m…
How to render 200+ view without performance issue in react-native
I am trying to make a game in react-native. I want to render 200+ views on the Game screen. Each View has a pressable functionality. Whenever I press the View I need to run a function that will change the View background color and update score on the game context. But Whenever I try to press any View it took
How do I return position of an element in flex wrapped row based on click?
I’ve tried and failed to use the nearly perfect answer given here: How to calculate the amount of flexbox items in a row? The answer given returns the item count only in the top row. But I’m needing to get the position of an element clicked, in any row. For example, in the below demo, if a user cl…
discord.js “TypeError: fn is not a function”
So I started getting this “TypeError: fn is not a function” after I added the if-else statement to the code Thats the code I have and my error is Thank you to anyone that is able to help me find a fix for this. Answer It’s because .some() accepts a callback function only but notverified is a…
Why is this error not letting me async render Vue Components?
I’m quite new with Vue, and I’m trying to lazy load a Component, I’m getting this error which I don’t understand, there should probably be a syntax error. Here’s the code: The Modal Comp is just a simple h2 and a p with a red border (I already tried the same code without lazy loa…
React page rendering blank with event listener functions
Having an issue with my code, causing the page to render blank. New to react so any help would be appreciated. I’ve scoured SO to try and find an answer but haven’t found anything that seems to work. I’m aware the syntax for react is incorrect in the functions causing the issue, just looking…
Need help understanding this longest substr algorithm Javascript
Why are they using the line: start = Math.max(start, seen[char]); Wouldn’t I want the max of the start not the seen[char]? I’m confused on how this algorithm works. Answer start stands for where we start counting length of current (unique letters) substring. seen[char] stands for last position of …
The appendChild method does not insert the element into the body
In my example, I’m trying to fetch data from the server and save it to the document as text in the <p> element. Everything works fine except that the appendChild method doesn’t seem to work as it should. Here is a sample of my code and the error message: With error message: Uncaught (in prom…
How do I iterate the array, then show all the elements in HTML? [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 6 months ago. Improve this question I…