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For the following class, how do you get the value of 42 from an instance of X? 
class X {
  get Y() {
    return 42;  }
}
var x = new X();

For the following class, how do you get the value of 42 from an instance of X? 

class X {
  get Y() {
    return 42;  }
}
var x = new X();

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: medium

分类: JavaScript

标签: JavaScript

参考答案摘要

[ ] x.get('Y') x.get('Y') [x] x.Y x.Y [ ] x.Y() x.Y() [ ] x.get().Y [Reference getters](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/get) x.get().Y [...

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For the following class, how do you get the value of 42 from an instance of X? <pre><code>class X { get Y() { return 42; } } var x = new X();</code></pre>

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