Yogesh Chauhan's Blog

What is Conditional Rendering in React?

in React on May 4, 2021

Conditional rendering is nothing but rendering based on some conditions like if-else conditions in JavaScript.

React is component based so we can have different components and add some conditions to render them only when the condition is satisfied.

In React, you can create distinct components that encapsulate behavior you need. Then, you can render only some of them, depending on the state of your application.

Example

Let’s add couple of components:

In the code above, we have two components. We want them to be rendered differently based on the hour of the day. Here’s how we can do that using some JavaScript code in React.


How to store elements in variables?

We can store elements in variables and then render just some part of the component.

We can create a stateful component that will render depending on its current or previous state.

Source: React Docs


Most Read

#1 How to check if radio button is checked or not using JavaScript? #2 Solution to “TypeError: ‘x’ is not iterable” in Angular 9 #3 How to add Read More Read Less Button using JavaScript? #4 How to uninstall Cocoapods from the Mac OS? #5 PHP Login System using PDO Part 1: Create User Registration Page #6 How to Use SQL MAX() Function with Dates?

Recently Posted

#Aug 15 Is PHP still good for back-end programming? #Aug 10 How to create a multisite network in WordPress? #Aug 3 How to create a circle that follows a cursor using JavaScript and CSS? #Aug 3 How to make a curtain slider using jQuery and CSS? #Aug 2 How to progressively load images and add a blurry placeholder? #Aug 1 How to create a placeholder loader (throbber) using CSS?
You might also like these
Useful (and probably ignored) HTML tags: Part 1HTMLData Flows in ReactReactCSS align-items property examplesCSSAggregate Functions Examples in Postgres for BeginnersPostgresHow to use GROUPING SETS to boost GROUP BY queries in Postgres?PostgresRevisiting variable scope in JavaScriptJavaScriptHow to swap images on hover using CSS?CSSHow to list all PHP variables to debug the script?PHPHow to show slider value in HTML5 range input using JavaScript?HTMLALTER DATABASE in PostgreSQLPostgres4 different ways to create JavaScript ObjectsJavaScript@mixin and @include in SCSS (Sass)SCSS