javascript - 每秒更新一次JavaScript时间

基本上，我想要一个实时时钟，一个每秒更新的时钟!我环顾四周，找不到有效的方法。这是我尝试过的:

function doDate()
{
    var str = "";

    var days = new Array("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday");
    var months = new Array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December");

    var now = new Date();

    str += "Today is: " + days[now.getDay()] + ", " + now.getDate() + " " + months[now.getMonth()] + " " + now.getFullYear();
    var updateTime = function() { setTimeout("doDate()", 1000); }

    document.getElementById("todaysDate").innerHTML = str;
}

这似乎不起作用!我想我在这里做了什么？

最佳答案

请按以下步骤修改您的代码:

function doDate()
{
    var str = "";

    var days = new Array("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday");
    var months = new Array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December");

    var now = new Date();

    str += "Today is: " + days[now.getDay()] + ", " + now.getDate() + " " + months[now.getMonth()] + " " + now.getFullYear() + " " + now.getHours() +":" + now.getMinutes() + ":" + now.getSeconds();
    document.getElementById("todaysDate").innerHTML = str;
}

setInterval(doDate, 1000);

<div id="todaysDate"></div>