What is the syntax to look up the fullname attribute in an object stored in the variable $colleen code example

Example 1: Modify the function increment by adding default parameters so that it will add 1 to number if value is not specified.

const increment = (number, value = 1) => number + value;
 
console.log(increment(5, 2)); // returns 7
console.log(increment(5)); // returns 6

Example 2: what is the root object in javascript

Function.prototype;                    // the empty function object
Function.prototype.__proto__;          // the default Object prototype
Object.prototype;                      // the default Object prototype
Object.prototype.__proto__;            // null