Debugging can optionally be turned off from the Advanced tab in the Internet Options dialog. Unlike in other debuggers, breakpoints can't be set by clicking in the left margin they must be set via keypress or menu.Īfter installation, new options can be found in Internet Explorer's Script Debugger menu, which gets added in the View menu.Unlike in other debuggers, there is no Watch window for monitoring variables they must be checked via manual commands.Entering a Document.Write command while debugging, or refreshing a document in Internet Explorer while debugging it, can cause hangs or other unexpected behavior.A breakpoint immediately after a Document.Write is ignored.Commands typed in the Command window have no effect unless the user is in break mode.When debugging documents open in Internet Explorer, only one can be debugged at a time.The line indicator may be incorrect when stepping through inline JScript or debugging a framed document.The debugger has several limitations, including the following: Ability to view the call stack, and navigate to any currently loaded procedure.Īdditionally, it can open and edit HTML pages, and it supports script colorization for improved readability.Ability to display and change the values of variables and properties.Ability to step through and over procedures.Features Īccording to Microsoft, the Script Debugger provides these traditional debugging features: ![]() Also, Internet Explorer 8 comes with a different, tightly integrated JScript debugger part of the Internet Explorer Developer Tools. In effect, it provides a way for developers to see script code behavior as it runs, thus eliminating much of the guess-work when things do not quite work as intended. Its user interface allows the user to set breakpoints and/or step through execution of script code line by line, and examine values of variables and properties after any step. Using it, you can halt the execution of your. For complicated debugging circumstances, use the F12 Tools for Microsoft Edge or the. ![]() Microsoft Script Debugger is relatively minimal debugger for Windows Script Host-supported scripting languages, such as VBScript and JScript. The Microsoft script debugger for use with IE is a very useful tool for helping discover whats gone wrong and why. For example, to run the script index.js in Visual Studio Code.
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