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?...
I would like to know why the follow code doesn't work in the Google Chrome:  // creates a xss console log  var cl = ( typeof( console ) != 'undefined' ) ? console.log : alert; cl('teste');   output: Uncaught TypeError: Illegal i...
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...
w3schools says that exceptions can be strings, integers, booleans, or objects, but the example given doesn't strike me as good practice, since exception type checking is done through string comparison. Is this the preferred method of exception ha...
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...
I'm using Electrons Quick Start Projekt (Commit dbef48ee7d072a38724ecfa57601e39d36e9714e) to test exceptions.  In index.html I changed the name of the required module from renderer.js to rendererXXX.js.  require('./renderer.js')   which r...
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...

Tags

Recent Questions

Top Questions

Home Tags Terms of Service Privacy Policy DMCA Contact Us

©2020 All rights reserved.