How can I create a javascript badge or widget?

Question

I want to create a javascript badge that displays a list of links. We host the javascript on our domain. Other sites can put an empty div tag on their page and at the botto

Answer 1

It took me some time to find this answer on Stackexchange because I was using different search terms. I believe that the link suggested there is a more complete answer than the ones already given here:

How to build a web widget (using jQuery)

It covers:

• ensure the widget’s code doesn’t accidentally mess up with the rest of the page,
• dynamically load external CSS and JavaScript files,
• bypass browsers’ single-origin policy using JSONP.