JSFiddle - React, Tailwind, and code Playground

by Vladimir Kutepov

JavaScript

var a = {
	skip: 'skip',
	update: 'update',
	remove: 'remove'
}
var b = { 
	skip: 'skip',
	update: 'UPDATED!',
	add: 'ADDED!'
}

for (var prop in a) {
  delete a[prop]
}

for (var prop in b) {
  a[prop] = b[prop]
}

document.body.innerHTML = '<pre>a = ' + JSON.stringify(a, null, 2) + '</pre>'