Notice: This page requires JavaScript to function properly.
Please enable JavaScript in your browser settings or update your browser.
学ぶ Writing our first code | Introduction
Introduction to JavaScript (staging)

Writing our first code

The very first exercise every programmer goes through is the printing Hello world! message to the console. Let's do it with JavaScript: you should use the console.log() statement like in the example:

The very first exercise every programmer goes through is the printing Hello world! message to the console. Let's do it with JavaScript: you should use the console.log() statement like in the example:

console.log('Hello world!');

Try running this code and you will see a sentence in parentheses printed in the console.

You can put any other message (inside the quotes):

console.log('What a good idea!')
すべて明確でしたか?

どのように改善できますか?

フィードバックありがとうございます!

セクション 1.  1
single

single

Writing our first code

メニューを表示するにはスワイプしてください

The very first exercise every programmer goes through is the printing Hello world! message to the console. Let's do it with JavaScript: you should use the console.log() statement like in the example:

The very first exercise every programmer goes through is the printing Hello world! message to the console. Let's do it with JavaScript: you should use the console.log() statement like in the example:

console.log('Hello world!');

Try running this code and you will see a sentence in parentheses printed in the console.

You can put any other message (inside the quotes):

console.log('What a good idea!')
タスク

スワイプしてコーディングを開始

Print another one message. Use the console.log() to print this message "I am learning JavaScript"

解答

console.log('Hello world!');

Try running this code and you will see a sentence in parentheses printed in the console.

You can put any other message (inside the quotes):

console.log('What a good idea!')
タスク

スワイプしてコーディングを開始

Print another one message. Use the console.log() to print this message "I am learning JavaScript"

解答

Switch to desktop実践的な練習のためにデスクトップに切り替える下記のオプションのいずれかを利用して、現在の場所から続行する
すべて明確でしたか?

どのように改善できますか?

フィードバックありがとうございます!

セクション 1.  1
single

single

AIに質問する

expand

AIに質問する

ChatGPT

何でも質問するか、提案された質問の1つを試してチャットを始めてください

some-alt