Answer 1

A JavaScript function is defined with the function keyword, followed by a name, followed by parentheses ().

function name() {
// code to be executed
}

Answer 2

https://code.sololearn.com/WXibQSUg72S8/?ref=app

Answer 3

Have a look at the CSS animation properties
https://www.w3schools.com/css/css3_animations.asp

Answer 4

…

Answer 5

Why do you keep renaming your variables?

Answer 6

What do you want the transition to do?

Answer 7

randRed + "s"; is not a proper transition value

Answer 8

https://code.sololearn.com/W4R4lMDM33Mw/?ref=app