Also, notice with NotImplementedError2, when I don't set the .name explicitly, it is equal to "Error". However, as mentioned in the comments, because that version sets prototype to new Error(), I could …

Feb 6, 2012 · The difference between throw new Error(something) and throw something in javascript is that throw new Error(something) wraps the error passed to it in the following format:

Sep 13, 2021 · How can throw an error with options or a status code and then catch them? From the syntax here, it seems we can through the error with additional info: new Error ...

Feb 27, 2014 · 8 It means it throws the exception to the calling function, which will execute its catch block in case there is one defined. For example, in the below code, you log the exception in the …

throw new Warning("text"); // Warning is not defined The errors make Chrome's Developer Tools show a red cross, but how can I make it display a warning icon (yellow exclamation mark)?

Mar 20, 2012 · 15 i have this function in my code and I'm using throw to create meaningful errors (rather than failing silently). However, when i structure my function this way, if i call defineSandbox() with an …

Jul 28, 2022 · How do I catch both unexpected errors, and errors I throw in the same catch block without writing more complex code to see if err.message is null for instance? I would expect both to return a …

As it turns out, try..finally has the same behavior, in at least Chrome (that is, it is not the re-throw that is the problem precisely, but the presence of any exception handler block at all.) Does anyone know of …

Jul 6, 2019 · It depends on where you want your control. throw immediately hands control back to the caller: See MDN: "and control will be passed to the first catch block in the call stack. If no catch block …

Nov 28, 2016 · Throw is for actually changing the control flow (jumping out of the current context and up to an error handler) for handling errors programmatically. The console statement is just for …