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Home » React JS

Category: React JS

React JS Questions and Answers

React: setInterval Not working after one interval

React JS April 7, 2021

My Goal: I’m trying to build a component that when you give it props.items and props.fadeEvery, it will act as a text rotator. I eventually want it to fade in an out, but I’m having trouble with my …

How to update my react state with active tab menu name so it can pass on to the endpoint call?

React JS April 7, 2021

I am working on a react app where I need to display data for multiple pages based on the dynamic parameter value that I pass to the backend api call. I am using the Tab component from semantic-ui-…

Wrote a function to test each object in an array for specific key, continuously getting false even when the key is present

React JS April 7, 2021

I have a React component where I’m trying to conditionally render a checkbox only if any of the items in a data response contain an object key archived and it’s truthy. I’ve written a function to …

How to pass an object to onSubmit in React Hook Form

React JS April 7, 2021

I am trying to use a react hook form to create a screen in my react native app. I need to pass my navigation object to my submit function for my routing to work. Here is the example using code from …

Ant Design table row class name multiple conditions

React JS April 7, 2021

I have a table from the Ant Design component library which I have been applying a conditional class name. I’d like to add another condition but my syntax must be wrong. The first condition worked but …

What is the correct interface for NavLink isActive?

React JS April 7, 2021

I created a “dumb” component with NavLink and I’m creating the interface for his props, however when inserting isActive in my interface to pass the props he complains. I would like to know …

TypeError: this.props.setProductBrand is not a function

React JS April 7, 2021

When i click the update button the error occures. I am passing setProductBrand func. to productBrand Component. ProductBrand.Js

React – UI doesn’t correspond to the information passed to component

React JS April 7, 2021

I’m making a match-three game now. The problem is that chips are of another color on the screen, than I pass. Here is the codesandbox. The console.log shows another colors and the quantity of …

I would expect this useRef and useEffect combo to fail…why does it succeed?

React JS April 7, 2021

I would expect this useEffect to fail on the first render, since I would assume the innerCarouselRef.current would be undefined on the first render and it makes a call to getBoundingClientRect. Why …

React memorizes value in async callback

React JS April 7, 2021

React unexpectedly keeps an old value of a variable produced by React.useState(…). I press the button [1] and then [2]. In 3000 ms I expect to see “null” in the alerting message, but still …

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