问如何在JavaScript购物中为date对象创建11天后的JavaScript代码

EN

// get the destination within the DOM
var wrapper = document.getElementById('productEta'),

  // get today as a js Date object
  today = new Date(),

  // get the Unix of today (miliseconds) and add desired time (3 weeks)
  etaUnix = today.getTime() + (60 * 60 * 24 * 11 * 1000),

  // convert the new time to date object and then to a human readable string
  etaForHumans = new Date(etaUnix).toDateString();

// set the destination inner html to be what it already is
// plus a space and the human readable string.
wrapper.innerHTML += ' ' + etaForHumans;

<div id="productEta">Product will arrive by: </div>