Reviews needed for translations

If you're able to review an article, feel free to do so and give your feedback as a comment in this issue. You may also fork the repository, fix the issues in the article and create a pull request.

Articles that need reviews:

| Article | Review 1 | Review 2 |
| :--- | :---: | :---: |
| [An Introduction to JavaScript](https://github.com/javascript-tutorial/fi.javascript.info/blob/master/1-js/01-getting-started/1-intro) |✅|❌|
| [Manuals and specifications](https://github.com/javascript-tutorial/fi.javascript.info/blob/master/1-js/01-getting-started/2-manuals-specifications) |❌|❌|
| [Code editors](https://github.com/javascript-tutorial/fi.javascript.info/blob/master/1-js/01-getting-started/3-code-editors) |❌|❌|
[Developer console](https://github.com/javascript-tutorial/fi.javascript.info/blob/master/1-js/01-getting-started/4-devtools) |❌|❌|
| [Hello, world!](https://github.com/javascript-tutorial/fi.javascript.info/blob/master/1-js/02-first-steps/01-hello-world) |❌|❌|
| [Code structure](https://github.com/javascript-tutorial/fi.javascript.info/blob/master/1-js/02-first-steps/02-structure) |❌|❌|
| [The modern mode, "use strict"](https://github.com/javascript-tutorial/fi.javascript.info/blob/master/1-js/02-first-steps/03-strict-mode) |❌|❌|
| [Variables](https://github.com/javascript-tutorial/fi.javascript.info/blob/master/1-js/02-first-steps/04-variables) |❌|❌|

先開啟列出的芬蘭文教學文章，從「手冊與規格」及「程式碼編輯器」開始，並將它們與連結的來源內容進行比較。檢閱每篇選定文章的翻譯，並在此 issue 中留下回饋，或在 fork 中進行修正並提交 pull request。完成的標準是，經過檢閱的文章有實用的回饋或提出的修正。

由索引模型根據 Issue 內容生成。