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Default method parameters can access object properties
class Person {
constructor (name) { = name
this.defaultSalultation = 'Dr.'
sayHello (salutation = this.defaultSalultation) {
return `Hello ${salutation} ${}`
const dr1 = new Person('James Baldwin')
console.log(dr1.sayHello('The One and Only Mr.')) // Hello The One and Only Mr. James Baldwin
const dr2 = new Person('David Deutsch')
console.log(dr2.sayHello()) // Hello Dr. David Deutsch
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