Load external JS from bookmarklet?

2015 Update

Content security policy will prevent this from working in many sites now. For example, the code below won’t work on Facebook.

2008 answer

Use a bookmarklet that creates a script tag which includes your external JS.

As a sample:

javascript:(function(){document.body.appendChild(document.createElement('script')).src="https://stackoverflow.com/questions/106425/** your external file URL here **";})();

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