【Q754】实现 LazyMan about daily-question HOT 1 OPEN

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;
}