[SOLVED] How to set default values of variables in function?

Question

I mean default values of variables like this:
var abc = { cvb: "xcf" }

Answer 1

const func = (obj={'name':'Guest', 'age':100}) => {
console.log(`${obj.name} is ${obj.age} years old! `)
}
func({'name':'Anonymous :-)','age':'1000'})
//Anonymous is 1000 years old!
func()
//Guest is 100 years old!

Answer 2

Arnesh, Thank you so much

Answer 3

Woolbex Welcome