I want to throw some things in my JS code and I want them to be instanceof Error, but I also want to have them be something else.  In Python, typically, one would subclass Exception.    What's the appropriate thing to do in JS?...
Can I define a custom types for user-defined exceptions in JavaScript?  If so, how would I do it?...
In IE and Chrome, typing this into the JavaScript console throws an exception:  {} == false   // "SyntaxError: Unexpected token =="   However, all of these statements are evaluated with no problem:  false == {}   // false  ({} == false) // fa...
Douglas Crockford recommends doing something like this:  throw {     name: "System Error",     message: "Something horrible happened." };   But you could also do something like this:  function IllegalArgumentException(message) {     t...
When you run:  window.toString.call("")   everything's fine in FF/CH but in IE8 you get a script error. Investigating a bit more it turned out, that window.toString.call is undefined in IE8?  You can also run this one:  window.toString in...
While testing JavaScript code in Firefox 3.5 I sometimes get the following error:  Component returned failure code: 0x80004003 (NS_ERROR_INVALID_POINTER)   I've tried Googling it, but all I can find are solutions to specific problems in other peo...
I have this line come up in the console, only in Firefox, from my JavaScript application I'm developing:    It seems relatively harmless, but I'm curious if there's any way to deduce its origin, because it must come from somewhere, even i...
I've just opened up a website for the first time in VS2013 and I'm getting Javascript exceptions when I run debugger:  Unhandled exception at line 194, column 21 in http://localhost:49809/  0x800a1391 - JavaScript runtime error: '$' i...
I am trying to customize error message for exception throw in javascript.  So far my attempts have been failed.  I am trying this but its not working    function abc(sender, args) {     alert("ex2");     throw ("error new");      aler...
How to catch exceptions raised by a referenced javascript file in an aspx page??...

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