Javascript Error In Firefox
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was archived. Please ask a new question if you need help. Why am I getting JavaScript errors? 19 firefox javascript debugger replies 51 have this problem 23598 views Last reply by md140963 3 how to fix javascript error in mozilla firefox years ago pclind Posted 5/22/13, 7:24 PM I get this JS error when changing pages (any page almost)
Firefox Javascript Error Console
and it doesnt matter if FB is open or not: evalInSandbox:Error: Permission denied for
Script Error Firefox
error: Error: Permission denied for
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Get Firefox help Get web development help Join the MDN community Report javascript console firefox a content problem Report a bug Search Search Languages 中文 (简体) (zh-CN) Add a translation Edit Advanced firefox show javascript errors Advanced History Print this article MDN Mozilla Debugging Debugging JavaScript Your Search Results jwhitlock AdamskiFTW leplatrem teoli vladikoff mizandaniel wbamberg Pandark fitzgen DCamp maybe jukbot mnoorenberghe Luke314 cold sun https://support.mozilla.org/questions/960112 PikadudeNo1 Sheppy harth Kastor Dmose evilpie Aryx int3 madarche zhangpin04 siple007 Neil Johnjbarton BenB Ncmathsadist Kohei kohei.yoshino Debugging JavaScript In This Article Web ConsoleBrowser ConsoleError ConsoleBrowser Debugger (Built-in)Strict code checkingConsole.log in Browser Consoledump()Log.jsm (formerly log4moz)"debugger" keywordScratchpadSee AlsoOriginal Document Information This document is intended to help developers writing JavaScript code in Mozilla, mainly for Mozilla itself, but it may https://developer.mozilla.org/en-US/docs/Mozilla/Debugging/Debugging_JavaScript also be useful for web developers. It should give pointers to tools, aids and tricks which make debugging your code easier. Web Console This is the first place to go when you're debugging a web page; open the Web console using the Web Console option in the Web Developer menu. This shows any JavaScript errors in your app, as well as any logging calls from the console API. Browser Console The Browser Console lets you see all JavaScript errors and logging in the browser, including from Firefox code. To enable it, go to about:config in the url bar and set devtools.chrome.enabled to true, or set the "Enable chrome and add-on debugging" option in the developer tool settings. Activate it through with the menu Tools > Web Developer > Browser Console. You can also start the Browser Console when you launch Firefox, by launching Firefox from the command line and passing --jsconsole as a flag: /path/to/firefox --jsconsole Log to the Browser Console using the standard console API after importing Console.jsm: let console = (Cu.import("resource://gre/modules/Console.jsm", {})).console;
References & Guides Learning web development Tutorials References Developer Guides Accessibility Game development ...more docs Mozilla Docs Add-ons Firefox Developer ToolsFeedback Get Firefox help Get web development help Join https://developer.mozilla.org/en-US/docs/Archive/Mozilla/Error_console the MDN community Report a content problem Report a bug Search Search https://codex.wordpress.org/Using_Your_Browser_to_Diagnose_JavaScript_Errors Archive of obsolete content Languages Čeština (cs) Español (es) Français (fr) 日本語 (ja) Polski (pl) Русский (ru) Add a translation Edit Advanced Advanced History Print this article MDN Archive of obsolete content Archived Mozilla and build documentation Error Console Your Search Results teoli robhudson joanna wbamberg ethertank MKaply inma_610 Nickolay Sheppy Inimino Johnjbarton script error kohei.yoshino Marcoos SylvainPasche Chbok Error Console The Error Console is deprecated in Firefox, and is now only made available if you set the devtools.errorconsole.enabled preference to true. Use the Web Console instead, for web content, or the Browser Console for chrome content. 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 javascript error in pages user opens. It reports JavaScript-related errors and warnings, CSS errors and arbitrary messages from chrome code. In Firefox, the Error Console can be opened from the tools menu or by Ctrl-Shift-J. 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. See Setting up extension development environment#Development preferences for the preferences you should set if you want to see errors from Firefox and extensions in the Error console. Before Gecko 1.8.1 (Firefox 2), it was called JavaScript Console (see bug 265871). Types of errors Error usually a syntax error that prevents the program from compiling. Warning usually lets the program compile but warns of bad coding and suggests design flaws. Message very similar to warning, used very rarely. Manipulating data displayed in Error Console Information displayed in Error Console can be accessed and manipulated through the Console service. Extensions can write to the Error Console from JavaScript using Components.utils.reportError, or if you're fine with logging to the OS-provided console, dump(). To bring up Error Console from within a browser or mail window, use the funct
the new WordPress Code Reference! Using Your Browser to Diagnose JavaScript Errors If you're experiencing issues with your interactive functionality this may be due to JavaScript errors or conflicts. For example, your flyout menus may be broken, your metaboxes don't drag, or your add media buttons aren't working. In order to formulate your support request it helps the team to know what the JavaScript error is. This guide will show you how to diagnose JavaScript issues in different browsers. Contents 1 Step 1: Try Another Browser 2 Step 2: Enable SCRIPT_DEBUG 3 Step 3: Diagnosis 3.1 Firefox 3.2 Internet Explorer 3.3 Chrome 3.4 Safari 3.5 Opera 4 Step 4: Reporting Step 1: Try Another Browser To make sure that this is a JavaScript error, and not a browser error, first of all try opening your site in another browser. if the site is not having the same issue in the new browser you know that the error is browser specific if the site is having the same error it is not an error that is specific to one browser Make note of any browsers you are experiencing the error in. You can use this information when you are making a support request. Step 2: Enable SCRIPT_DEBUG You need to turn on script debugging. Open wp-config.php and add the following line before "That's all, stop editing! Happy blogging". define('SCRIPT_DEBUG', true); Check to see if you are still having an issue. Issue is fixed - turn off script debugging and report the issue on the support forum, telling the volunteers that you turned on script debugging and it solved the problem. Issue persists - proceed to Step 3. Step 3: Diagnosis Now that you know which browsers you are experiencing issues in you can start to diagnose the issue. Firefox 1. Open the Console Go to the screen where you are experiencing the error. In Firefox, navigate to Tools > Web Developer > Error Console or press Ctrl + Shift + J. 2. Identify the Error The error console will