Why doesn't my marquee work?

Question

It worked at the start, but after about a week it stopped working all together.

<marquee
attribute_name="attribute_value"....more attributes> <strong>Sometimes this marquee works. Sometimes it doesn't. </strong>

</marquee>

Answer 1

https://code.sololearn.com/WRGbH6vshrGz/?ref=app

Answer 2

Thanks everyone. I was just curious. Thanks again!

Answer 3

https://code.sololearn.com/Wp8ot7Q7eo6R/?ref=app

Answer 4

it's a deprecated tag, it's no longer supported by HTML5, so it's supposed not to work at all someday.