【Q754】实现 LazyMan

[shfshanyue]

LazyMan('Hank')
// 输出：
// Hi!This is Hank!

LazyMan('Hank').sleep(10).eat('dinner')
// 输出：
// Hi! This is Hank!
// 等待10秒..
// Wake up after 10
// Eat dinner~

LazyMan('Hank').eat('dinner').eat('supper')
// 输出：
// Hi This is Hank!
// Eat dinner~
// Eat supper~

LazyMan('Hank').sleepFirst(5).eat('supper')
// 输出：
// 等待5秒..
// Wake up after 5
// Hi This is Hank!
// Eat supper

[HSIKE]

function LazyMan(name) {
  console.log(`Hi! This is ${name}!`);
}
LazyMan.prototype.sleep = function(time) {
  const timeInMiliSec = time * 1000;
  const start = performance.now();
  console.log(`Wait for ${time} seconds...`);
  while (performance.now() - start <= timeInMiliSec) {}
  console.log(`Wake up after ${time} seconds.`);
  return this;
}
LazyMan.prototype.sleepFirst = function(time) {
  return this.sleep(time);
}
LazyMan.prototype.eat = function(thing) {
  console.log(`Eat ${thing}~~`);
  return this;
}