I was surprised that the following code leads to infinite rerenders using NextJS 13.4. As far as I can tell, I am just using a simple React Hook and the standard state + useEffect to get the data and update…
I want to be able to focus the TextInput after it has mounted and I've had a couple of solutions for this but sadly none of them works autoFocus prop: causes navigation issues using ref to focus <ScreenWrapper onEntryTransitionEnd={() =>…
I am new to react. This is a generated code block in my project by create-react-app const container = document.getElementById("root"); const root = createRoot(container); root.render( <React.StrictMode> <App /> </React.StrictMode> ); Now I am using gsap to render anime. There is…
I am new to React. I am trying out an exercise. In my app I have a button that toggles the appearance of a black box. I want the onBlackBoxUnmount function to be executed when the BackBox component is unmounted.…
So, from what I understand from the official React docs, when trying to prevent a Child component of a certain Parent to re-render, you need to wrap the child in a useMemo, then wrap the functions inside the Parent, that…
For some reason, when I acces 'height' or 'scrollPos' in the 'handleScroll' function, they have their initial value. However, if I add a 'p' tag with '{height}', it is displayed correctly. const [scrollPos, setScrollPos] = useState(0); const [height, setHeight] =…
I am attempting to unit test 2 exported helper functions that both call useContext on my default context value, however I can't seem to get it working after a lot of looking online. export const func1 = () => {…
I have 2 buttons, one type "button" and one type "submit", both wrapped in a form and which toggle each other. Weirdly, if I click on the button of type "button" the form is submitted and if I click of…
code I want the "elem" parameter of my component to be another component based on the boolean that is passed into my arrow function. I have tried passing in "mobile" as a parameter into these arrow functions as it was…
I am trying to create a signup and sign in new site that's react site I added components navbar/header in that header I added login button enter image description here and the link is working after clicking link page opening…