I am practically new to React. In this App I am using Hooks! I’ve made a Countdown Timer that will show in a few seconds after logging in. I am unable to make it stop on a button click. I need some advise on this as I’ve been struggling for the past 2 days with this. This is my code
Tag: reactjs
Trouble installing Swiper in my React project
I’m trying to add Swiper to my React Web App, I’m having trouble with the regular plugin, so I decided to use this framework instead: swiper-react specifically designed for React. Following the getting started tutorial: It says that I need to import these CSS files but when I try to import them in my Component, at runtime I’m getting: without
Why `muted` attribute on video tag is ignored in React?
Well, as counter-intuitive as it sounds, muted tag is somehow ignored; check out the snippet below, first one is rendered with react, the second one regular html; inspect them with your dev tools, and you see the react on doesn’t have muted attribute; I already tried muted={true}, muted=”true” but non is working. Answer This is actually a known issue which
NextJS – Appending a query param to a dynamic route
In my NextJS app, I have a language selector that’s visible on every page. When I select a new language, I just want to replace the current URL by appending a query param lang=en to it. Here’s the function that replaces the URL: In this example, replace, query and pathname are coming from the next router. Now, everything works for
scrollIntoView onClick reactjs
hello I have a few buttons and I want to scroll to them when clicked. as you can see there´s a lot of scroll caused by those 2 divs. the idea is to scroll down and when you reach the buttons and click the one you need. the page scrolls to that button leaving it in the top of the
TypeError: (0 , _react.useEffect) is not a function
when in the development environment, my app works just fine. When in the production environment it crashes with the error: Uncaught TypeError: (0 , _react.useEffect) is not a function It happens in a file I created where I import React and useEffect like so: adding a console.log just below this line confirms that useEffect is indeed undefined when in production
How to dynamically import SVG and render it inline
I have a function that takes some arguments and renders an SVG. I want to dynamically import that svg based on the name passed to the function. It looks like this: According to the webpack documentation for dynamic imports and the magic comment “eager”: “Generates no extra chunk. All modules are included in the current chunk and no additional network
How to convert Date format like this Fri Apr 20 2020 00:00:00 GMT+0530 (India Standard Time) to 2020-04-20T00:00:00.000Z in Javascript?
I have a Date format like this “Fri Apr 20 2020 00:00:00 GMT+0530 (India Standard Time)” I want to convert that above format to this format 2020-04-20T00:00:00.000Z Actually I tried this JSON.stringify(new Date(“Fri Apr 20 2020 00:00:00 GMT+0530 (India Standard Time)”)) while using this am getting the output one day before 2020-04-19T18:30:00.000Z so please anyone help me to convert this
How to allow async functions in React + Babel?
I have a Typescript/React app, that can perform async function with a then/catch promise, but not with async/await/try/catch. The error is: Uncaught ReferenceError: regeneratorRuntime is not defined . The error seems to come from Babel. Here is my config: How to fix this? Answer You can find your solution at here If I summarise then you have to install a
Fix .map is not a function in a functional component
I have a Textbox where I set array items to the textbox and I use it as a drop down. My code works and I am able to see the items in the drop down, however when i click on any other item apart from the first item I get the error groups.map is not a function. I set array