Fix first Java script example and doc

[bonigarcia]

Description

This PR fix the first Java script example and page, currently broken.

Motivation and Context

I broke this page on #1081, sorry.

Types of changes

• Change to the site (I have double-checked the Netlify deployment, and my changes look good)
• Code example added (and I also added the example to all translated languages)
• Improved translation
• Added new translation (and I also added a notice to each document missing translation)

Checklist

• I have read the contributing document.
• I have used hugo to render the site/docs locally and I am sure it works.

[netlify]

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[diemol]

Thank you, @bonigarcia!