I am using Internet Explorer 8, by choice. I need to debug a script in it. However, no matter how many times I click the Developer Tools Icon, under Tools or when I click F12 it will not show up. Sometimes, I can see that it is minimized in the taskbar but when I actually go to click it. It will not show up...
You may do Alt+Spacebar, then hit ‘m’ and start using your arrow keys to move the window around. And also check that link
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I'm just moved to windows 10.
And have latest version of Google Chrome on it.
But whenever I tried to access developer’s tool it shows nothing.
I have tried,
1) Right Click + Inspect element.
2) F12.
3) Right corner tab on Google chrome + more tools + developers tool.
But none of them working.
Please help.....
I don't know what is missing.
I had the same issue but in my scenario I was on a Virtual Machine with some complex display settings. The procedure here worked for me in other contexts:
You should see the process in the Windows bar on the bottom of your screen.
When you click on it, nothing is shown.
Bring back in the viewport
If the conditions above apply, then the window is simply displayed out of the display viewport. TO bring it back, do the following:
Make sure you have selected the window in the Windows bar.
Hit ALT + SPACE to show the menu
Select "Maximize".
The window should appear in one of your monitors.
Drag it around and resize it.
You should try also Ctrl+Shift+I for windows as written on the following doc
https://developers.google.com/web/tools/chrome-devtools/
I fixed this of this way
Open chrome dev tools
using the chrome page that you need debug press Win + "<" (left arrow)
windows ask you which window you want to the right and select chrome dev tool icon, but click should be in the icon instead of the rectangle of the windows
Just had the same problem. The window is apparently minimized.
On windows, hold the mouse on the chrome icon in the taskbar, when the thumb shows up, right click on it and select maximize window.
First thing i would try is closing all processes and restarting Chrome and if that doesn't work i would uninstall and reinstall chrome
I know this isn't really an answer but hope it might help
Goodluck!
Chrome -> Setting -> Extensions (Side Menu) -> Turn on Developer Mode
Had the same issue, The thing is just minimized. Hover over the side of the options at the bottom and drag to top and you will see the options.
see following image and hover over ht area highlighted in yellow
Your dev-tool might be on your second monitor, which you are not looking at but connect with your PC.
Disclaimer: Please try this at your own risk, I'm not fully aware of its consequences. It apparently clears chrome's local storage for all websites
All the solutions I saw didn't work for me, but this one did:
I deleted this folder:
// AppData\Local\Google\Chrome\User Data\Default\Local Storage\leveldb
How can i stop api/functions of Internet Explorer from showing up or preferably choose what to show up. I would like only chrome functions to show up as suggestions when i press ctrl+ space keys.
I went to file>setting>preference>editor> code completion.
But there isn't anything that would allow me exclude or choose which one of the browser's api to show..it's just bothersome to see ie icons in every list when i am not even developing for it.
Trying to debug a problem that's IE-11 specific, I would like to see the console messages logged when a certain control is clicked. But the control refreshes the page, which makes F12 tools automatically clear the console, so whatever is logged just before that, I don't get to see!
Past versions of IE had an option to keep the console contents on navigation. Is this option available in IE11? If so, where is it? If not, is there some other way to view the console that doesn't immediately discard the message I want to see?
In with the latest F12 update to IE11 (that came as part of the Win8.1 Update) there is now a button to disable "Clear on Navigate"
Additionally, you can enable IE to record messages in the Console at all times instead of only when the Console is open.
For all the changes to the IE11 F12 dev tools see: http://support.microsoft.com/kb/2929437
Ran into this and I didn't find a good solution, but I found a hacked one that worked well enough for me to debug.
Use window.onbeforeunload to pop up a window so you can at least see the values before they are purged.
See: Prompting and preventing user from navigating away/closing a page
Since I'm building a dynamic site, I need to track the changes between pages, ie. Ajax calls, POST, GET stuff and similar stuff.
I'm looking for the same functionality like in Firebug (where you can enable "persistent" and the console is not cleared every time you reload a page or submit a form.
So, my questions is: is there a way to make Google Chrome JavaScript console persistent?
(And if yes, how?)
Update: Copying the answer here, if anyone's still looking for this, Chrome 14+ has a setting in Developer Tools > Settings labelled "Console: Preserve log on navigation".
Update 2: the latest versions of Chrome (33+) have this option by right-clicking in the console.
Update 3 (late 2017): The latest versions of Chrome (60+) have this option by opening the console, clicking the gear in the top right corner and selecting "preserve log"
If anyone's still looking for this, I'm on Chrome 15.0.874.58 beta-m and I have a checkbox in Developer Tools > Settings labelled "Console: Preserve log on navigation". Does the job nicely.
at Version 67.0.3396.87 (Official Build) (64-bit)
Unfortunately, Chrome doesn't support that functionality yet, although there was talk in December 2010 about adding in the next major release...
This answer is no longer valid
As of Chrome Version 73.0.3683.86 (Official Build) (64-bit):
Click the ellipsis in top right of Developer Tools
Navigate to Settings > Preferences > Console
Check Preserve log upon navigation
Try this to enable console on popups
I had the "preserve logs" options enabled and still had the Console losing focus to the Sources tab. If that happens (apparently during debugging), it helps to disable "Focus sources panel when triggering a breakpoint" in "Settings > Preferences > Sources".
In Chrome v102
I opened Chrome Dev Tools,
I clicked on "gear" icon (Top right corner)
Enable "Preserve log" checkbox
I am on Windows 7, using IE8 and Visual Studio 2005. I have been enjoying the built in javascript debugger in IE8 for several months. About 2 weeks ago, I installed some security update for IE 8 (possibly KB978207) and all of a sudden the javascript debugger is now broken.
If I get a warning from IE 8 that an error occurred and asking if I want to debug using the built in debugger, if I hit yes, I get a grey popup in the top left corner (which I've never seen before) saying "JScript Debugger. Breaking on JScript runtime error - Object doesn't support this property or method". Then nothing happens. IE freezes up and then I get a Windows popup saying that IE 8 is no longer responding and asking if I want to end this process. If I try to end the process, nothing happens and I continue to get the grey popup. I usually have to kill debugging process from VS 2005, but the frozen IE8 still is present. It's not until later when the OS, finally cleans up the process that it will go away...
Edit (new info):
I tried removing the lastest security update and a silverlight update that came around the same time, but Windows automatically reinstalled them....
I then tried removing IE 8, and then adding it back to my system to reset anything related to IE8. This did not have any effect.
After reinstalling IE8, I did notice that, when I first tried to open the developer tools window by hitting F12 from a regular IE 8 window, I never saw anything, but I could see the developer tools title in the task manager list. I had to right click on the task and maximize the window, so I could actually see the developer tools window. Apparently this is a bug mentioned here: http://social.msdn.microsoft.com/Forums/en-US/iewebdevelopment/thread/79b8ee54-c5f6-4467-ba6d-27491c95cd13
I've realized that the window will maximize if the iexplorer.exe process is not the debugged process launched from VS2005.
The grey popup I mentioned in my original post is from the developer tools window iexplorer.exe process.
If I launch my app from VS2005 and then hit F12, I see that the developer tools window is opened (I can see that window is opened under the IE icon in my taskbar), but it is not shown. If I try to maximize it from the task manager, this has no effect.
So basically, the developer tools window is freezing up when it tries to open under my debugged iexplorer.exe process launched from VS2005. The OS then asks if I want to kill the process since it's not responding, but it is unable to kill it. At some later point, the zombie iexplorer.exe process is killed succesfully (by the OS I presume).
Had the same thing happening. You clued me in on the solution by pointing out F12 starts Developer Tools in the taskbar but doesn't show up on the screen. Apparently the window is off screen in nowhere land and causes major screwups if you attempt to debug in this state. So my solution was to:
Close all IE instances
Start up IE
Start up Developer Tools (F12)
Hover cursor over the the IE button on the taskbar until context menu shows
Right-click the Developer Tools item in the context menu (not the taskbar button)
Click "Move"
Start tapping arrows until you see the window come back in view. Mine was off stage left so I had to hold down the right arrow.
The window will have been sized down to just a window title bar, so resize by dragging the right corner down and out.
Once the window is moved back and resized, close it to "set" the position. You should be good to go now.
May be the security patch has disabled script debugging in IE. It was a common problem when using the debugger of VS 200X
Now on try to enjoy FireFox with the FireBug Addon. It's really great to debug Javascript. :)