Set/change value of property? about dot-object HOT 1 OPEN

let tee = {
  a: "hello",
  b: {
      b1: "goodbye",
      b2: "so long",
      b3: "adios"
  }
}

dot.str('b.b2', 'good riddance', tee);

console.log(tee)

// Output:
{
     a: "hello",
     b: {
         b1: "goodbye",
         b2: "good riddance",
         b3: "adios"
     }
}