why do i get some elements as string in object javascript code example

Example 1: object object javascript

person = {
    'name':'john smith'
    'age':41
};

console.log(person);
//this will return [object Object]
//use
console.log(JSON.stringify(person));
//instead

Example 2: javascript object string property

// Also useful for dynamic strings, e.g. `thing-${variable}`
myObject['thing'] = true;