如何添加10秒到一个JavaScript日期对象?

就像这样:

var timeObject = new Date()     
var seconds = timeObject.getSeconds() + 10;
timeObject = timeObject + seconds;

当前回答

几年前,我写了一个“通用的”日期函数:

function addToDate({time_unit, operator, offset_value }) {
        const date = new Date();
  operator = operator == "after" ? "+" : "-";
  switch (time_unit) {
    case "seconds":
        date.setSeconds(eval(`${date.getSeconds()} ${operator} ${offset_value}`));
    break;

    case "hours":
        date.setHours(eval(`${date.getHours()} ${operator} ${offset_value}`));
      break;

    case "minutes":
        date.setMinutes(eval(`${date.getMinutes()} ${operator} ${offset_value}`));

      break;
    case "days":
        date.setDate(eval(`${date.getDate()} ${operator} ${offset_value}`));
      break;

    case "months":
        date.setMonth(eval(`${date.getMonth()} ${operator} ${offset_value}`));

      break;
    case "years":
        date.setFullYear(eval(`${date.getFullYear()} ${operator} ${offset_value}`));
      break;
    default:
      break;
  }

  return date;
}

const new_date = addToDate({time_unit:'seconds','operator':'after','offset_value':10});

console.log(new_date.toISOString());

其他回答

如果你需要在当前时间上增加10秒,你可以使用:

const date = new Date();
date.setUTCSeconds(date.getUTCSeconds() + 10); // Change 10 to any number of seconds

在node.js下,.setSeconds为我揭示了非常奇怪的错误行为,所以我使用:

dateAddSeconds(date, seconds){ 
    return new Date( Date.parse(date) + seconds*1000 );
}

试试这个

a = new Date();
a.setSeconds(a.getSeconds() + 10);

我有几个新的变种

var t = new Date(Date.now() + 10000); var t = new Date(+new Date() + 10000);

试试这个方法。

Date.prototype.addSeconds = function(seconds) {
  var copiedDate = new Date(this.getTime());
  return new Date(copiedDate.getTime() + seconds * 1000);
}

只需调用并分配new Date().addSeconds(10)