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

JavaScriptの引数の数チェックについて

JavaScriptの引数の数チェックについて

by unkler
1 / 2

JavaScriptの引数の性質(備忘録)

JavaScriptでは呼び出し側の引数の数が呼び出し元と一致しなくてもエラーとならず、下記の結果となる。

console.log(message);
}

displayMessage(); //undefind
displayMessage('hoge'); //hoge
displayMessage('hoge', 'foo');//hoge

参考文献

改定新版JavaScript本格入門 ~モダンスタイルによる基礎から現場での応用まで 

unkler
メインはサーバーサイド。たまに触るフロント側を備忘録として残しつつバックエンドも強化中。
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