Internet Explorer 8: JScript Debugger

As Shreesh mentioned in his blog, Internet Explorer 8 has a built-in JScript debugger. With Internet Explorer Developer Tools you get a light weight JScript debugger that is well integrated in the browser and available out of the box. This is an in-proc debugger making sure that you don’t have to launch a separate app. […]

As Shreesh mentioned in his blog, Internet Explorer 8 has a built-in JScript debugger. With Internet Explorer Developer Tools you get a light weight JScript debugger that is well integrated in the browser and available out of the box. This is an in-proc debugger making sure that you don’t have to launch a separate app. It has familiar Visual Studio feel and features like call stacks, watches, locals and immediate window.

To get to the debugger just press SHIFT+F12, or click the developer tools icon in the command bar. After launching the Developer Tools, switch to the script tab.

Before starting debugging you can browse the source code of the websites’ main page and also use immediate window to try out JScript code. You can start the debugger session by clicking on the ‘Start Debugging’ button. The debugger lets you debug even when debugging is disabled in Internet Options Control Panel. This will allow you to enable debugging only for the IE instance you are debugging. All other IE instances will still be in non-debug mode making sure that you don’t get script error dialogs. This will also make sure that debugging won’t have any performance hit on IE instances other than the one being debugged. Debugger will refresh the web page with your consent, in case debugging was previously disabled. If you want to avoid page refresh, you can enable debugging from Internet Options.

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Internet Explorer 8, IE8, JScript, JavaScript, Debugger, Debugging, Developers, Troubleshooting, Tips, Tricks, Tips and Tricks