Imagine you have incorporated multiple JavaScript libraries into your website. Your code interacts with various APIs, but occasionally, after an update, one of the APIs changes and causes your code to break without any prior notice.
What steps can you take to avoid this scenario?
While I am primarily focused on JavaScript, insights related to dynamically typed languages would also be appreciated.
It seems like there aren't many options available in this situation. There's always a level of risk associated with updating software. The optimal approach is as follows:
When it comes to ensuring the quality of your code, consider incorporating unit tests using tools like JsUnit and Selenium. Passing these tests indicates that your code is functioning correctly, while failures can pinpoint areas that require attention.
An excellent example of a set of Selenium tests can be found in the Google Maps API Tests, which can be downloaded and executed locally within your browser.
When faced with upgrading, you have a couple of choices:
It's impossible to guarantee that an upgrade won't cause any issues. Even if there are tools available to check the underlying API and ensure everything aligns correctly, there is still a risk that the core functionality may have changed.
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