firefox error console javascript Middlesboro Kentucky

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firefox error console javascript Middlesboro, Kentucky

Chosen solution Upon restarting my browser, it is back. Unusual keyboard in a picture Digital Diversity Removing elements from an array that are in another array How would they learn astronomy, those who don't see the stars? On Windows, the following code will add a new item to the browser's main menu: var parent = window.document.getElementById("appmenuPrimaryPane"); var makeTheTea = gBrowser.ownerDocument.defaultView.document.createElementNS("", "menuitem"); makeTheTea.setAttribute("label", "A nice cup of tea?"); parent.appendChild(makeTheTea); Here's an example add-on that just logs an error when the user clicks a widget: widget = require("sdk/widget").Widget({   id: "an-error-happened",   label: "Error!",   width: 40,   content: "Error!",  

As can be read on the MDN Error Console page: The Error Console is a tool available in most Mozilla-based applications that is used for reporting errors in the application chrome Syntax console.error(obj1 [, obj2, ..., objN]); console.error(msg [, subst1, ..., substN]); console.exception(obj1 [, obj2, ..., objN]); console.exception(msg [, subst1, ..., substN]); Note: console.exception() is an alias for console.error(); they are functionally By default, only error messages are logged to the console, although you can change this in the browser's preferences. Console.log in Browser Console You can dump variables in the Browser Console from addon code, by adding this line to import the console utility: const { console } = Components.utils.import("resource://gre/modules/devtools/Console.jsm", {});

To enable it, go to about:config in the url bar and set to true, or set the "Enable chrome and add-on debugging" option in the developer tool settings. Version Information Version 1.0.1-signed.1-signed Released May 1, 2012 20.2 kB Works with Firefox 12.0 and later Source code released under GNU General Public License, version 2.0 What's this? For information about what JavaScript exceptions get logged into the Error Console, and how to make all exceptions get logged, read the article Exception logging in JavaScript. That should be all you need, right?

If the result of a command is an object, you can click on the object to see its details. NB: The Browser Console command line (to execute JavaScript expressions) is disabled by default. Do not use it on production sites facing the Web: it will not work for every user. To bring up Error Console from within a browser or mail window, use the function toJavaScriptConsole().

With the passing of Thai King Bhumibol, are there any customs/etiquette as a traveler I should be aware of? Strict code checking If you set the pref javascript.options.strict to true, the JavaScript engine gives you more types of warnings on the Error Console, most of which hint at code bugs Here is an example on how to clear the contents of the Browser console: Components.utils.import("resource://devtools/shared/Loader.jsm"); var HUDService = devtools.require("devtools/client/webconsole/hudservice"); var hud = HUDService.getBrowserConsole(); hud.jsterm.clearOutput(true); If you would like to access the But while the Web Console executes code in the page window scope, the Browser Console executes them in the scope of the browser's chrome window.

Document Tags and Contributors Tags: Debugging debugging Guide l10n:priority Security Tools web console Web Development Web Development:Tools Contributors to this page: wbamberg, chrisdavidmills, Sheppy, Sebastianz, DevAsh, klebermaria, openmando, enricostenker, grbradt, andr19771994, Browser Console command line The Browser Console command line is disabled by default. Components.utils.import("resource://gre/modules/Console.jsm"); console.log("Hello from Firefox code"); //output messages to the console Learn more: console API reference Console.jsm source code in the Mozilla DXR HUDService There is also the HUDService which allows access I just wanted simple functionality like IE has, but obviously Firefox is trying to be the dumb guy's browser. –DMIL Jun 23 '12 at 7:34 add a comment| Your Answer

If so, is there an extension being used by people who still want this feature? If anyone has tips on why it would have gone away, that's appreciated. About MDN Terms Privacy Cookies Contribute to the code Other languages: English (US) (en-US) বাংলা (বাংলাদেশ) (bn-BD) Čeština (cs) Deutsch (de) Español (es) فارسی (fa) Français (fr) Bahasa Indonesia (id) Italiano Please do not use this form for any other reason.

By default, only error messages are logged to the console, although you can change this in the browser's preferences. Message very similar to warning, used very rarely. View the source Download Now This add-on is not compatible with your version of Firefox because of the following: Download Anyway See complete version history To create your own collections, you Browse other questions tagged javascript firefox or ask your own question.

Hmmm, so it was removed? This tutorial will provide a simple walkthrough in enabling and using the Error Console to your advantage to provide developers with necessary details to assist in investigating and solving issues apparent Parameters obj1 ... Warning usually lets the program compile but warns of bad coding and suggests design flaws.

About MDN Terms Privacy Cookies Contribute to the code Other languages: English (US) (en-US) 中文 (简体) (zh-CN) Go Skip to main content Select language Skip to search mozilla Mozilla Developer Network Use with caution. We see we can not only access the Browser Console but also Web Console. Try running this code in the Browser Console's command line (remember that to send multiple lines to the Browser Console, use Shift+Enter): var newTabBrowser = gBrowser.getBrowserForTab(gBrowser.selectedTab); newTabBrowser.addEventListener("load", function() {   newTabBrowser.contentDocument.body.innerHTML

Modifying the browser UI Since the global window object is the browser's chrome window, you can also modify the browser's user interface. It reports JavaScript-related errors and warnings, CSS errors and arbitrary messages from chrome code. Tyler Downer Administrator Moderator 1333 solutions 8857 answers Posted 6/19/13, 2:46 PM The Browser Console is the replacement for the Error Console. This document is obsolete the below documentation applies to Firefox 10 and lower This tutorial assumes that you have Firefox Mobile or Fennec installed on your mobile Android device Often times

Close Rated 5 out of 5 stars 3 user reviews 1,847 users Add to collection Error Console 1.0.1-signed.1-signed Requires Restart by Nicko Gjun Error Console places an add-on bar button that Content is available under these licenses. In debug builds this also dumps a stack trace to the console, even when the debugger is not running. Has it been removed?

Check out our Mobile Add-ons site. objN A list of JavaScript objects to output. About MDN Terms Privacy Cookies Contribute to the code Other languages: English (US) (en-US) Deutsch (de) Français (fr) Bahasa Indonesia (id) 日本語 (ja) Melayu (ms) Nederlands (nl) Português (do Brasil) (pt-BR) Русский Use the Web Console instead, for web content, or the Browser Console for chrome content.

more hot questions question feed default about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation On the other hand, I don't recall Firefox updating in the last couple days, but what could I have done to remove it by accident? About MDN Terms Privacy Cookies Contribute to the code Other languages: English (US) (en-US) Français (fr) 日本語 (ja) Português (do Brasil) (pt-BR) Go Skip to main content Switch language Skip to search However, it displays such messages from: web content hosted by all browser tabs the browser's own code add-ons.

The Error Console can be enabled by searching for and toggling the preference, false to true, named: devtools.errorconsole.enabled. [caption id="attachment_25762" align="alignnone" width="210"] about:config[/caption] Note: Changing any other advanced options can be The module is available at Mozilla DXR. The Error Console is a tool available in most Mozilla-based applications that is used for reporting errors in the application chrome and in web pages user opens.