JSFiddle - React, Tailwind, and code Playground
JavaScript
var a,assignByValue;
a={id:1,title:'a',c:{name:'s'}};
d = a.c;
d.c = "ww"
b= JSON.parse(JSON.stringify(a));
//b= a;
//d= JSON.parse(JSON.stringify(a.c));
b.c.name='aa';
console.log(a,d);
var a,assignByValue;
a={id:1,title:'a',c:{name:'s'}};
d = a.c;
d.c = "ww"
b= JSON.parse(JSON.stringify(a));
//b= a;
//d= JSON.parse(JSON.stringify(a.c));
b.c.name='aa';
console.log(a,d);