How do you dynamically load a javascript file from different domain?

Question

I find this excellent code, posted by aemkei as answers to this questions:

1. How do you dynamically load a javascript file? (Think C’s #include)
2. Use jav

Answer 1

The security model in modern browsers prevents JavaScript from making cross-domain requests. That has holes (see every website exploit since the beginning of the internet), but using them is more than a little shady and it's only a matter of time before they're patched.