Uncaught means the error was not caught in a catch statement, and TypeError is the error’s name. Uncaught TypeError: This part of the message is usually not very useful.The structure of the error is as follows: Understanding the structure helps understand the errors, and you’ll have less trouble if you run into any errors not listed here.Ī typical error from Chrome looks like this: Uncaught TypeError: undefined is not a function How to read errors?īefore the list, let’s quickly look at the structure of an error message. Different browsers can give you different messages for the same error, so there are several different examples where applicable. Wouldn’t it be useful to have a list where you could look to find out what they mean and how to fix them? Here you go!īelow is a list of the strange errors in JavaScript. JavaScript can be a nightmare to debug: Some errors it gives can be very difficult to understand at first, and the line numbers given aren’t always helpful either.
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