HTML/CSS: Background Image from raw image data, not url
i get the raw image data of a png-image from a webserver, and want to use it as the background image of a div-element. is this possible without saving the data as an image-file first?
Use a data URI:
document.getElementById('e').src = 'data:image/png;base64,ton_of_crap';
In that Wikipedia article, there is code for PHP and Python that outputs base-64 encoded images. You can just shove that into the url() of a CSS file (or the src attribute of a <img /> tag) and it should work.
Have you tried (with jQuery):