This script finds the last child node in any tree like object implementing recursion in javascript

findLastNodeInObject-tree.js

const data = {
  first: {
    second: {
      user: {
        name:'Rahul',
        title: 'Baruri'
      },
      third: {
      info: {
        salary: 70000,
        age: 27,
        skillset: {
          "java": {score:70,
                   status: 'novice'
                  }
        }
      }
    }
    },
    second1: ['Ripan'],
    second3: {
        salary: 70000,
        age: 27,
        skillset: {
          "java": {
                  score:70, 
                  status: 'final'
          }
        }
      }
  },
  second: {
    name: 'Sourav'
  },
  third: {
    name: 'Roni',
    condes: {
          "java": {
                  score:70, 
                  status: ['java','c#','kotlin']
          }
        }
  }
}


function getlastNode(data) {
if (typeof data === 'object' && data instanceof Array === false){
    const properties = Object.keys(data);
    const newNode = data[properties[properties.length-1]];
     return getlastNode(newNode);
  } else {
    return data;
  }  
}

console.log("Last child node: "+getlastNode(data)+"\n\n");


let lastNodes = [];
 Object.keys(data).forEach((key, index) => {
      lastNodes.push(getlastNode(data[key]));
    });

console.log("All last nodes: ")
console.log(lastNodes);