# 02/JavaScript
[JavaScript] 상속
장딴지연
2019. 4. 25. 23:35
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class Person {
constructor(name, first, second) {
this.name = name;
this.first = first;
this.second=second;
}
sum() {
return this.first+this.second;
}
}
class PersonPlus extends Person {
avg() {
return (this.first+this.second)/2;
}
}
var kim = new PersonPlus('kim', 10, 20);
console.log("kim.sum()", kim.sum());
-> kim.sum() 30
console.log("kim.avg()", kim.avg());
-> kim.avg() 15
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