Classification of JavaScript Code for Debugging using Just My Code

Just My Code debugging allows developers to work on problems within their own code without noise from libraries, plugins and other unrelated code. Typical debugger behaviors may be modified based upon the identification or characterization of JavaScript code as "My Code," "Library Code," or "Unrelated Code." The debugger behaviors that may be automatically determined using heuristics or set using a code-characterization file provided by a host application. The debugger receives project file information from the host application via a debugger-host interface. The debugger applies code-designation heuristics to undesignated code segments. If a code characterization file is received with the project information, the debugger designates application code segments based upon definitions in the code-characterization file. Once the debugger has characterized the code segments, it performs debugging operations on the application code. The behavior of the debugging operations may be selected depending upon the designation of the application code segments.