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JavaScript AJAX Basics (retiring) AJAX and APIs Adding jQuery

Pol Sole
Pol Sole
8,795 Points

Same origin-policy and CDNs?

I was wondering how you can load the jQuery library(or bootstrap or any other CDN) from a server outside your own without violating the Same-origin policy???

1 Answer

William Li
PLUS
William Li
Courses Plus Student 26,865 Points

The src attribute, surprisingly, is not constrained by the Same Origin Policy. This means that a script element can be created which can go to any server, fetch a script, and execute it. ~ Douglas Crockford (creator of JSON & author of [JavaScript, the good parts])

Source http://javascript.crockford.com/script.html