3/19/2024 0 Comments React loading bar![]() The logic for our progress bar is complete, however, an important functionality is missing, the component life cycle. Note: The percentage sign also needs to be appended to the value when it is used. Var percent = (ScrollTop / (ScrollHeight - el.clientHeight)) * 100 By declaring a styled-component inside the render method of a React component, a new component will be created on each render, leading to performance issues and unpredictable behavior: import from "react" Make sure to create Bar outside of our main ReadingBar function. We’ll create a styled.div called Bar, which will contain the styling for our reading bar. To create the styling for our reading progress bar, we’ll use styled-components to easily add CSS in our JavaScript. Add the basic markup in VS Code by typing rfce. In the same Components folder, create a new file called ReadingBar.js. Import Dumm圜ontent from "./Components/Dumm圜ontent" įor our main objective, we first need to create the reading bar component. Now, you have a simple blog layout to work with, and your App.js file will look like the following code: import React from "react" Now, import and render the Dumm圜ontent.js file in your App.js file. Your directory should look something like the image below:
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