What's this code mean

Question

i always see this code but i don't really know it's usefulness? someone help me explain it to me. <link href="https://fonts.googleapis.com/css?family=Handlee" rel="stylesheet">

Answer 1

of course it won't work unless you know how to handled them, try visiting

https://www.w3schools.com/w3css/default.asp

to learn more

Answer 2

it's google predefined stylesheet attach to your code;

Answer 3

if i add it to my codes it's doesn't have any effect. i don't see any changes

Answer 4

okay. thanks..