what is the use of class="submit"

Question

what is the use of class="submit"
<input type="submit" value="SEND" class="submit" />
we can use <input="submit" value="submit"/>
why the class="submit is used for?

Answer 1

this maybe could help you

https://code.sololearn.com/WB5UVJSIcM84/?ref=app

Answer 2

class is used to refere the element in css , to add some style for the element with that class