Guide on using javascript to alter a json structure

Recently, I discovered a method to manipulate a JSON file using JavaScript. Although I don't have any formal training in JavaScript, I understand that it is primarily utilized on web browsers. Can someone guide me on how to execute this script? I consider myself a novice in this field.

The script provided below:

var iterator = 0; // an identifier for the process

function addIdentifier(target){
  target.id = iterator;
  iterator++;
}

function loop(obj){

  for(var i in obj){

    var c = obj[i];        

    if(typeof c === 'object'){

      if(c.length === undefined){

        //c is not an array
        addIdentifier(c);

      }

      loop(c);

    }

  }

}

loop(json); // json represents the input object

JSON data source:

Answer №1

Execute JavaScript scripts on your machine without the need for a browser by utilizing Node.js. Start off by installing Node.js globally on your system. Once installed, open up the command prompt and navigate to the directory where your script is saved. Finally, run the command node script_name.js

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