If and When

Starting to understand the order in which things need
to happen in HTML. The onload method intervenes when the
window is being called, and needs to be appended to the body tag
if it is to show at all. (If I put it earlier I'll never see anything, if I put it
on a div, it's too late to play).

Notice as well the peculiarity of the 'document.write' command. It
heralds from earlier times, and works like onload to make something appear,
but it also blocks further execution...

https://plnkr.co/edit/mfJuQRSGkXh9ArTcZ7pd?p=info

https://plnkr.co/edit/z7vO8GZr2yO41uvJuCkV

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Found something very useful: a site where one can upload images, to
use later for coding exercises. Imgur!