A little blog about building web applications.
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CORS (Cross-Origin Resource Sharing) is subject tinged with dread for many web developers. Like tales of a mythical sea beast, every developer has a story to tell about the day CORS seized upon one of their web requests, dragging it down into the inexorable depths, never to be seen again.
When authoring JavaScript for the browser, you don't think twice about embedding that JavaScript within an HTML document. Perhaps you load your script via a resource request, or embed it directly within a script tag, but in either scenario the lifecycle of your JavaScript is irrevocably married to its parent document.