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<!DOCTYPE html>
<html>
<head>
<meta name="description" content="Class: getter and setter">
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>JS Bin</title>
</head>
<body>
Memo
</body>
</html>
 
class Rectangle {
    constructor(w, h) {
        this._width = w
        this._height = h
    }
​
    set width(w) {
        this._width = w
    }
​
    get width() {
        return this._width
    }
​
    set height(h) {
        this._height = h
    }
​
    get height() {
        return this._height
    }
​
    toString() {
        return ''+this._width+' * '+this._height
    }
}
​
​
let r = new Rectangle(10, 20)
console.log(r.height)
r.height = 25
console.log(r.height)
r.width = 5
​
console.log(r)
console.log(r.toString())
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rogegorpro
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