Save Canvas image (Post the data string to PHP)

Question

I\'m looking to learn Javascript and have been wanting to for a while, I got a little tutorial on how to create a HTML5 Canvas drawing application, I\'m trying to modify it so I

Answer 1

Use form, and send bytes by POST method:

var form = document.createElement("form");
form.setAttribute("action","http://localhost/save_server/");
form.setAttribute("enctype","multipart/form-data");
form.setAttribute("method","POST");
form.setAttribute("target","_self");
form.innerHTML = '<input type="hidden" name="image" value="'+strData+'"/>';
form.submit();