JSFiddle - React, Tailwind, and code Playground
by 420
JavaScript
const b = {name: "sujan", age: 35}
const a = [
{name: "sanjog", age: 30},
{name: "sujan", age: 20}
]
const c = a.findIndex(item => item.name === b.name)
const d = a[c] = b
console.log('ddd', a)