React hook not showing option in loadingOptions in AsyncSelect when I use debounce from lodash. Here is the code. But, when I am not use debounce like loadOptions={(v) => getAsyncOptions(v)} It works. How to handle this debounce? Answer loadOptions expects that a callback parameter is called with the new o…
Tag: reactjs
Import module in React several times. Is the code executed once vs executed multiple times
Everything started from the need to do a configuration in a function call and figure out what happened if imported in more than one file. I have this function Two cases. Import the function directly and display it in several places. Different values are displayed. First case Second case. In this second case, …
Native Module cannot be null (ios) – Expo
I am developing a Expo-managed (not bare) mobile application. I recently ran into this issue: it crashes on start on ios. and I understand that this has to do with some of my packages requiring ios native modules, therefor I have to eject before I can use this package. However, my goal here is not to eject bu…
react render Logical && vs Ternary operator
In the react render() when the value of x equals 1 both the logical && and ternary operator will display Hello and both are syntactically correct. I always used the && when I don’t want to show the else part of my condition, but I have come across one code base where most of the places t…
React Router – How to pass previous location pathname to current
Is it possible to pass the previous path to current location? For instance, I have 2 Routes. Home / and Profile /profile If I am In Profile route and I go to Home route, now I am inside Home route, how do I get access to previous pathname which was /profile ? Something like: This is how I structure my
Stop game loop on conditional with React
I am unable to stop the loop after a conditional. I am able to stop the interval after a button click but unable to stop it after a conditional such as loop increments. This simple example tries to stop the interval loop after 5 loops. Any solutions would be much appreciated! Answer The solution is to put the…
How to initialize mesibo console in reactjs. for web app and not android apps. In reactJS not in Reactnative
How can I initialize mesibo connection in my reactjs web app with django backend. I dont find any resources of doing that. even though i have included <script type="text/javascript" src=…
What is App.js file in React? The file is way too long?
I wanted to mention that I am new to react and took over the existing project. The app.js file in the component folder is too long. Does this file update by itself, or is it ok to edit the file? Answer This is the main file in reactJs. It is the parent component of the application. All the components of
How to update cart quantity if item already exist in Cart – reactjs?
in this code, instead of showing “The product has been added to cart.” alert message, I want to update cart quantity if item already exist in cart, please help me out. Answer I am making some assumptions here as to what your variables look like, but generally, here is what you need:
how to show a floating action button always in bottom of screen
I’m using material ui I have a floating action button and I want to show it a specific place that would not change with scroll, and also I want to know if it is a fine problem here is the code here is floating action button Answer The html and css does it well like this. All you need to