"load" event for dynamically added image

I'm using a 3rd party ad provider on my web page. The ad provider injects an image to a div I configured with a certain id. I'd like to attach a load or ready event to that image. Note: I can't tell when the image is added to the DOM.

I tried using jquery:

$('body').on("load", "img", function (event) {
    consloe.log(event);
});

And this:

$("img").on("load", function (event) {
    console.log(event);
    if (event.target == document.getElementById("myDivId img")) {
        console.log(event.target);
    }
});

But it didn't work.