Internet Explorer 9 Javascript Error Console
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resources Windows Server 2012 resources Programs MSDN subscriptions Overview Benefits Administrators Students Microsoft Imagine Microsoft Student Partners ISV Startups TechRewards Events Community Magazine Forums Blogs Channel 9 Documentation APIs and reference Dev centers Samples Retired content We’re internet explorer console log sorry. The content you requested has been removed. You’ll be auto redirected in 1 f12 console tricks second. Internet Explorer 9 Samples and Tutorials Debugging and Troubleshooting Your Webpage How to use F12 Developer Tools to Debug internet explorer console commands your Webpages How to use F12 Developer Tools to Debug your Webpages Using the F12 Developer Tools to Debug JavaScript Errors Using the F12 Developer Tools to Debug JavaScript Errors Using the F12 Developer
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Tools to Debug JavaScript Errors Introduction to F12 Developer Tools Getting Started with the F12 Developer Tools Using the F12 Tools Console to View Errors and Status F12 tools console error messages Using the F12 Developer Tools to Debug JavaScript Errors Using F12 Developer Tools to Debug HTML and CSS Using the Profiler Tool to analyze the performance of your code TOC Collapse the table of content Expand how to debug javascript in internet explorer 11 the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. Using the F12 Developer Tools to Debug JavaScript Errors This content refers to an older version of F12 developer tools. Please visit our latest F12 tools documentation. F12 tools enables web developers to quickly debug JavaScript code without leaving the browser. Built into every installation of Windows Internet Explorer 9, F12 tools provides debugging tools such as breakpoints, watch and local variable viewing, and a console for messages and immediate code execution. Starting and Stopping the Debugger Using the Console to Find Syntax and Other Code Errors Make Ugly Scripts Pretty Breaking Code Execution Managing Multiple Breakpoints by using the Breakpoints Tab Conditional Breakpoints Stepping Through your Code Watching Variables with the Watch and Locals Tabs Looking at the Call Stack Debugging Multiple Scripts Changing the Document Mode Setting Related topics This topic discusses how to use the F12 tools to debug your JavaScript code. The purpose is not to be a comprehensive debugging tutorial, but to highlight the tools that can help get you started working with your own code. From Internet Explorer 9, press F12 to open the tools, and cli
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4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Does IE9 support console.log, and is it a real function? up vote 180 down vote favorite 63 In https://msdn.microsoft.com/en-us/library/gg699336(v=vs.85).aspx which circumstances is window.console.log defined in Internet Explorer 9? Even when window.console.log is defined, window.console.log.apply and window.console.log.call are undefined. Why is this? [Related question for IE8: What happened to console.log in IE8?.] javascript logging internet-explorer-9 share|improve this question asked Mar 29 '11 at 13:03 mloughran 5,52462020 3 Check out this great post about the intricacies of IE8-9 console object/function: whattheheadsaid.com/2011/04/… –Marc Climent Dec 30 '11 at 13:37 See also http://stackoverflow.com/questions/5472938/does-ie9-support-console-log-and-is-it-a-real-function 'console' is undefined error for internet explorer –Bergi Nov 10 '12 at 12:34 add a comment| 7 Answers 7 active oldest votes up vote 261 down vote accepted In Internet Explorer 9 (and 8), the console object is only exposed when the developer tools are opened for a particular tab. If you hide the developer tools window for that tab, the console object remains exposed for each page you navigate to. If you open a new tab, you must also open the developer tools for that tab in order for the console object to be exposed. The console object is not part of any standard and is an extension to the Document Object Model. Like other DOM objects, it is considered a host object and is not required to inherit from Object, nor its methods from Function, like native ECMAScript functions and objects do. This is the reason apply and call are undefined on those methods. In IE 9, most DOM objects were improved to inherit from native ECMAScript types. As the developer tools are considered an extension to IE (albeit, a built-in extension), they clearly didn't receive the same improvements as the rest of the DOM. For what it's worth, you can still use some Function.prototype methods on console methods with a littl
Refcardz Guides Zones | Agile Big Data Cloud Database DevOps Integration IoT Java Mobile Performance Web Dev Let's be friends: Viewing JavaScript Errors in Internet Explorer 9 by Gerard Gallant · Jul. 23, 12 · Web Dev Zone Like (1) Comment (0) Save Tweet {{ articles[0].views | formatCount}} https://dzone.com/articles/viewing-javascript-errors Views Edit Delete {{ articles[0].isLocked ? 'Enable' : 'Disable' }} comments {{ articles[0].isLimited ? 'Remove comment limits' : 'Enable moderated comments' }} Join the DZone community and get the full member experience. Join For Free Start coding today to experience the powerful engine that drives data application’s development, brought to you in partnership with Qlik. JavaScript error reporting is a bit different in Internet Explorer 9 (IE 9) compared to previous Internet Explorer browsers since, by default, the internet explorer Status bar is not visible and depending on your settings this might be the only place that would indicate if there was an error on the page. You can turn on the Status bar either through the menu system by pressing Alt on your keyboard to show the menu bar and then navigating to the View, Toolbars, Status bar menu item. Another approach to showing the Status bar is to right-click on title/tab area and choose the Status bar internet explorer 11 option from the context menu. JavaScript Errors on the Status Bar Getting errors to show via the status bar seems to be hit and miss because sometimes it works for me and sometimes it doesn't. It is my guess that Microsoft intends to remove the status bar error log functionality altogether and that it is simply an oversight (bug) that lets us view the error log in the first place. In my testing if you start the browser normally the Status bar behavior I'm about to describe will not work. If you launch IE 9 from a pinned site, however, this Status bar behavior usually works. To pin a site, drag the icon that is on the address bar to the Windows taskbar. (click to view the image full size) In your Advanced settings, if you have the 'Display a notification about every script error' option turned off then even if you have the status bar visible, you will not know there was an error. The only hint of a JavaScript error would be if the page didn't respond properly (something didn't load for example). The following is a screen shot of a website launched from a pinned site that has thrown an error (the status bar doesn't indicate that there was an error): (click to view the image full size) If you double-click anywhere on the status bar, if there was a JavaScri