Why there are no tags in the HTML tutorial?

Question

Why there are no tags in the HTML tutorial: <acronym>, <datalist>, <marquee>, <code>, <bgsound>, <q> and others

Answer 1

Don't worry , the lesson factory is localised . You'll get those tutorials soon .

Answer 2

i Understand you , you want to know why this is tags don't display in the sololearn tutorial or any learning source ?😕

The answer: because this tags done remove in html5 version and replace it with new tags easily in writing & easliy in Understanding.😀💖

sololearn make this for you, why?😕
The sololearn can display this tags in html but they know that the tags done remove , then they don't display it to make the leaning for you more easily .😉