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Questions - render

React: background not changing when rerendering

I am new to React and what I want is my component to change the background image. I am passing the source URL in the props but the background image does not change and remains the same when re-renderi...
test-img

so_hell

reactjs

background-image

render

Votes: 0

Answers: 1

Latest Answer

If you want that posterSrc to be recalculated on render when props change you need to keep it inside the render method. Like this: export default class MovieItem extends Component { render() { c...
test-img

Barry Michael Doyle

Why render error in react v18 occures although I do not use legacy code?

Hy, guys! I have a render error in my react v18 code like this: Warning: react-dom.development.js:86 Warning: ReactDOM.render is no longer supported in React 18. Use createRoot instead. Until you swi...
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DenisF

reactjs

render

react-dom

legacy-code

react-18

Votes: 0

Answers: 1

Latest Answer

To Resolve this error. Actually this is due to the version mismatch.React upgrade to Version 18, you created app with React 18 version which expect you to render in that way.But your react-testing-lib...
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vardhan

Projection of point cloud on 2D image based on mesh information

I have a point cloud and meshes (vertices=points of the point cloud). I want to project the point cloud with a certain virtual camera. Here, since the point cloud is sparse, the rendered result includ...
test-img

Jun

python

render

mesh

point-clouds

Votes: 0

Answers: 1

Latest Answer

After hours of searching, I conclude that I have to re-implement a novel rendering pipeline to achieve my goal. So, instead of this, I use a mesh-based renderer to render a depth map. And then I simpl...
test-img

Jun

render props doesn't display

I am new to React and I am learning about the props. My prop doesn't display color on Events.js I got "I am a car" and red didn't display. This is my component Welcome.js : import React ...
test-img

luffy78

javascript

reactjs

render

Votes: 0

Answers: 1

Latest Answer

You are not setting the prop in Events.js. This means the value of props.color is undefined when the render function is called. undefined within curly braces will be ignored by React. You can add a gu...
test-img

David Sainez

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