Diff Checker

This is an online tool for line-diffing (line-differencing) two text files.

File 1 (the before)

const person = {
  firstName: "John",
  lastName: "Doe",
};1
const person = {
2
  firstName: "John",
3
  lastName: "Doe",
4
};

File 2 (the after)

const person = {
  firstName: "John",
  lastName: "Doe",
  age: 35,
};1
const person = {
2
  firstName: "John",
3
  lastName: "Doe",
4
  age: 35,
5
};

Diff

  const person = {
    firstName: "John",
    lastName: "Doe",
+   age: 35,
  };