Help us understand the problem. What is going on with this article?

JSXのclassNameのクラスを動的に追加する

More than 1 year has passed since last update.

公開中ならpublished, 非公開ならunpublishedをclassNameに追加するというイメージ。

実装

配列内で三項演算子を使って処理し、そのあとでjoin()を使って連結することで実装できた。

className={[
  'post',
  isPublished ? 'published' : 'unpublished'
].join(' ')}

参考

How to add multiple classes to a ReactJS Component

Why not register and get more from Qiita?
  1. We will deliver articles that match you
    By following users and tags, you can catch up information on technical fields that you are interested in as a whole
  2. you can read useful information later efficiently
    By "stocking" the articles you like, you can search right away
Comments
No comments
Sign up for free and join this conversation.
If you already have a Qiita account
Why do not you register as a user and use Qiita more conveniently?
You need to log in to use this function. Qiita can be used more conveniently after logging in.
You seem to be reading articles frequently this month. Qiita can be used more conveniently after logging in.
  1. We will deliver articles that match you
    By following users and tags, you can catch up information on technical fields that you are interested in as a whole
  2. you can read useful information later efficiently
    By "stocking" the articles you like, you can search right away
ユーザーは見つかりませんでした