Jun 11, 2018 · Following this logic you can use the ternary operator to change the css class name based on props. A common solution is use an isActive state property and use it to determine which class should be used.

Jan 27, 2022 · Put the css in its own file, with a .css extension, then import it. Assuming you used create-react-app to set up your project, it will already have appropriate configuration for importing css files. Additionally, you need to use className for the prop, not class. // css goes here. return ( <> <div className="container">

Oct 29, 2020 · Depending on how many dynamic classes you need to add as your project grows it's probably worth checking out the classnames utility by JedWatson on GitHub. It allows you to represent your conditional classes as an object and returns those that evaluate to true.

Another way of adding styles to your application is to use CSS Modules. CSS Modules are convenient for components that are placed in separate files. The CSS inside a module is …

Aug 9, 2024 · To add or remove a CSS class dynamically, you typically rely on the component’s state. Here’s an example: In this example, the button toggles the active CSS class based on the isActive state. The className attribute is dynamically set, allowing you to easily add or remove a CSS class as needed.

How do I add CSS classes to components? Pass a string as the className prop: It is common for CSS classes to depend on the component props or state: className += ' menu-active'; } return <span className={className}>Menu</span> } Tip. If you often find yourself writing code like this, classnames package can simplify it. Can I use inline styles?

Jun 22, 2022 · This is a super simple example of inline styling in React: <div className="main" style={{color:"red"}}> A better approach, though, is to use objects: First, create an object that contains styles for different elements. Then add it to an element using the style attribute and then select the property to style. Let’s see that in context:

May 10, 2023 · In this tutorial, we are going to learn about how to conditionally add or remove multiple css class names to a react app. We can add a single class name to the react element by using the className attribute. If you want to add multiple class names, you can add it to the className attribute by separating with spaces.

Perhaps the most straightforward way to style components is with CSS. We can write CSS, optionally using any pre-processor or post-processor we'd like, and use the className attribute of our components to apply styles.

Jul 14, 2021 · You can add an id and then manipulate the element in the DOM by queryselector in the element you want to change its className <h1 className={`${myclass}`} id = "change-class">Hi</h1> and then in the function const addclass=()=>{ document.querySelector("#change-class").classList.add('new-class-name'); } so the whole code would look like this