Hi I have an array of objects which contains another array of objects. I need to find an object in array which contains another object in it’s array with certain propery ID. Let’s say i need to find an object in casses array which contains a user with certain ID. ID for user is unique. I could use…
Tag: reactjs
How to add an item to the cart
I don’t really understand this function, like what does the “cartItems.push(…product, count:1)” actually do? I am a begginer and it’s hard for me to understand these logic. It’d be kind of you guys to help me to explain! Thank you so much! Answer Here’s a breakdown, s…
I’m confused about this statement, Object.entries
I’ve been watching the video, over and over again but I can’t seem to understand it properly, can somebody help me explain this line by line? I’ve get the point about “cat &&” but the rest confuses me. Answer Going through the above code line by line: I am assuming you ha…
React.js builds with Vite does not include service-worker.ts
I am using Vite to build an SPA with React (typescript), and I am trying to register a service-worker. I am registering the script as type module, and service-worker.ts sits at src/web-worker/service-worker.ts. There is also a tsconfig.json at src/web-worker Everything works in Dev, but when it’s built,…
Getting compilation errors regarding loaders when running React app
Hi I’m having an issue when trying to run my react app. I’ve installed a couple of packages to from a tutorial using the ceramic and 3id networks. This error has only shown up recently and I’ve looked online but still not too sure what be causing the issue. The version of node I am using is …
How can I trigger a function only when only child divs are clicked using event bubble?
I want to console the event when a child div is clicked. for example: So, I want to trigger the handleMenu function only when those buttons are clicked and not to trigger when the area of parent div is getting clicked except those button areas. How can I do it? and yes I am using reactjs. If any alternative w…
How to “flatten” a nested object array in React?
I have an object that contains multiple records in the format below: For each of the multiple “names”, they have one and only one “units” array and within the “units” array, there will be one to many “unit_num” with an associated “street”. I’m …
How do I handle undefined state in react when the user hits cancel on file selection?
I have a simple Input type= file. I am capturing the the selected file in state. Once a file is selected and the clear button is clicked it does not clear the state. This causes {selectedFile.name} to throw an undefined error when the user clicks cancel during the next file selection. Is there a way to make m…
How to show validation error in form in react js?
I have created a form and connected it to server. In case of validation error response is like this “message”: “ValidationError: confirmPassword: Confirm Password did not match” By regular expression I can pic up the error from this message e.g. “Confirm password did not match…
How to update array of a component from another component’s function?
I am rebuilding a static website in react https://movie-list-website-wt.netlify.app/ I am trying to transfer the search function to react. My current search function works as intended, it returns an array of movies that is being searched, I want it to update the data fetched by the movie cards so that when I …