Feb 22, 2021 · Ternary is useful to produce concise code for a simple conditions to switch between two outcomes. But I advise against nesting it. There is a nice React idiom that would make more sense here: <div> { condition1 && (<div>foo</div>)} { condition2 && (<div>bar</div>)} { condition3 && (<div>buz</div>)} </div>

Apr 24, 2018 · My problem is that I cannot figure out how to add a second condition to be met (e.g var1 === var2) to the above line. So that if both return true, the component gets displayed. How can I do this? thanks.

In React, you can conditionally render JSX using JavaScript syntax like if statements, &&, and ? : operators. Let’s say you have a PackingList component rendering several Item s, which can be marked as packed or not: Notice that some of the Item components have their isPacked prop set to true instead of false.

Feb 18, 2022 · There are three possibilities I want to have for the className but I'm not sure how to set this up. I could set it up to just do 2 of the above like so and don't see many examples of classNames without conditional operators: className={ `answer-options . ${answerOption === correctAnswer ? 'answer-correct' : ``

Feb 14, 2025 · Conditional rendering in React works similarly to conditions in JavaScript. It enables components to display different outputs depending on states or props. This ensures that the UI updates dynamically based on logic instead of manually manipulating the DOM. 1. Using If/Else Statements.

Jan 10, 2024 · Let’s begin by creating a function that accepts two arguments: the first is a function that yields a Boolean value as a result of a conditional evaluation, and the second is a component that will be returned if the Boolean value is true.

Apr 4, 2023 · In React, there are different ways to conditionally render content based on the state of a component or other conditions. Two common ways are using the ternary operator and the && operator. function Greeting (props) { const isLoggedIn = props.isLoggedIn; return ( …

Feb 9, 2025 · Best Practices for Conditional Rendering in React: To keep code maintainable, use ternary operators for short conditions, switch statements for multiple conditions, and helper functions for complex logic. Modularizing complex conditions into separate functions or hooks enhances readability and keeps the UI user-friendly.

Dec 13, 2023 · Utilize if-else statements for binary conditions where different components need to be rendered based on a true or false condition, ensuring clear and straightforward conditional flows in your...

Aug 15, 2020 · In React, conditional rendering can be done in many ways depend on contexts. In this post, we're going to discuss all of the methods that we can use to write better code for conditional rendering in React.