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Node.js Debugger

Node.js provides a simple TCP based protocol and built-in debugging client. For debugging your JavaScript file, you can use debug argument followed by the js file name you want to debug.

Syntax:

  1. node debug [script.js | -e "script" | <host>:<port>]  

Example:

  1. node debug main.js  

Node.js debugger example 1

If you make any error:

If you make any error in your js file source code or provide a wrong path on the Node.js command prompt then you will get the following result.

Node.js debugger example 2

In the above example, the path is not specified although the main.js file is located on desktop.

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