How do you know if a JavaScript library you are using will break your code after an upgrade?

Posted by ivo on Stack Overflow See other posts from Stack Overflow or by ivo
Published on 2010-04-17T14:15:06Z Indexed on 2010/04/17 14:23 UTC
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JavaScript

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dynamic-languages

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static-analysis

So, you are using a bunch of javascript libraries in a website. Your javascript code calls the several APIs, but every once in a while after an upgrade, one of the API changes, and your code breaks, without you knowing it.

How do you prevent this from happening?

I'm mostly interested in javascript, but any answer regarding dynamically typed languages would be valuable.

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