Which statement prints "roar" to the console?

var sound = 'grunt';var bear = { sound: 'roar' };function roar() {
  console.log(this.sound);}

Which statement prints "roar" to the console?

var sound = 'grunt';var bear = { sound: 'roar' };function roar() {
  console.log(this.sound);}

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

[ ] bear.bind(roar); bear.bind(roar); [ ] roar.bind(bear); roar.bind(bear); [x] roar.apply(bear); roar.apply(bear); [ ] bear[roar](); bear[roar]();

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