How to use IE's Js debugging tool companion. js

This tool is called companion. js. Please note that this is not a JS
File, but a name. It is installed and used as an IE Plug-in, and must be combined with Microsoft Script
When debugger is used, this tool is installed. However, when an error occurs on the page, a small error prompt is displayed in the upper left corner. Clicking this prompt will display an error console in IE, as shown in FF's
The same is true for the firebug console. The error message is detailed.

The following is an example of an error message on the official website:

Official Website address http://www.my-debugbar.com/wiki/CompanionJS/HomePage

The usage is as follows:

1. Download the Companion. js installation file and then install it.

2. Download and install Microsoft Script debugger. skip this step if your machine has been installed.

3. Open the IE menu "Tools"> "Internet Options"> "advanced" and find "Disable script debugging (Internet Explorer)" and "Disable script debugging (outside Internet Explorer) ", remove all the hooks before the two options, and then restart IE.

4. Enter: http://www.my-debugbar.com/wiki/uploads/CompanionJS/dummy.htm in IE
Click the click me link. If a small error prompt is displayed in the upper left corner or an error message is displayed in the following console, the installation is successful.

tip: Microsoft Script
debugger download to the MS official website (requires the MS operating system genuine verification): http://www.microsoft.com/downloads
/details. aspx? Displaylang = ZH-CN & familyid = E606E71F-BA7F-471E-A57D-
f2216d81ec3d # filelist or enter Microsoft Script debugger download in Baidu.