How to add a background image in a html document?

Question

Is there any way .....?

Answer 1

by using CSS:
body{
background-image:url("put url here");
}

Answer 2

why don't you try it in the code playground

Answer 3

body {
background-image:url("url");
background-position:fixed;
background-repeat:none;
}

Answer 4

but background image attribute is not supported in HTML 5