JSFiddle - React, Tailwind, and code Playground

JavaScript

function a(arg){
    var newObj = (JSON.parse(JSON.stringify(arg)));
    newObj.value++;
    return newObj; 
}

var b = 
    {
        name: 'Название 1',
        value: 2
    };

var c = a(b);



console.log('b: ', b, 'c: ', c);