I discovered today that we can now debug Javascript With the developer tool bar plugins integreted in IE 8. Click ▼ Tools on the toolbar, to the right of the tabs. Select Developer Tools. The Developer Tools dialogue should open. Click the Script tab in the dialogue. Click the Start Debugging button. You can use … Read more
The rendering mode in Internet Explorer 11 can appear stuck if the site is added to your local Compatibility View list. When this happens, the rendering mode inside the developer tools and out will default to the specified compatibility settings. While this may not be the only way a site can get on this list, … Read more
Here’s one technique that I’ve found helpful: Open the Developer Tool Bar (hit F12) Go to the “Script” tab Click the “Start Debugging” button Next, type “debugger” into the console and hit enter. This should trigger a break point. Go to the “Watch” sub-tab Click the row that says, “Click to add…” and enter a … Read more
I did the following: Right click on developer tools in the task bar, Select Maximize, Pin the window to Internet Explorer (Ctrl + P) Then it should appear in IE. Select the restore button to unpin. I really hope someone got fired for that.
This is a known issue, but the styles are in fact being applied. The developer tools thinks the pseudo-element styles are being overridden by the parent-elements corresponding styles. This is easily demonstrated by inspecting the Computed style of the parent-element and looking at (what the F12 tools believe to be) competing styles: Again, however, these … Read more
It seems they have added the “Always Refresh from Server” button in the RTM version of IE11 that ships with Windows 8.1 It is found in the Network tab of the developer tools, 3rd button from the left.
[UPDATE] The original question, and the answer below applied specifically to the IE11 preview releases. The final release version of IE11 does in fact provide the ability to switch browser modes from the Emulation tab in the dev tools: Having said that, the advice I’ve given here (and elsewhere) to avoid using compatibility modes for … Read more
Try if (!window.console) console = … An undefined variable cannot be referred directly. However, all global variables are attributes of the same name of the global context (window in case of browsers), and accessing an undefined attribute is fine. Or use if (typeof console === ‘undefined’) console = … if you want to avoid the … Read more