lexico Scope

if we are using a variable here inside a function ,if it does not have it will call the parent function check does it have it ? and if is does it would use that

• remember that ice-cream example an adult can give ice-cream to a child , but as a adult it cannot take ice cream from a child

const fullName = "Oluwatobi Sofela";
// Nested functions containing two more fullName variables:function profile() {  const fullName = "Tobi Sho";  function sayName() {    const fullName = "Oluwa Sofe";    function writeName() {      return fullName;    }    return writeName();  }  return sayName();}