对于我的学校项目,我试图显示一个实时刷新小时/分钟/秒的时钟。我想使用SetInterval还是错误的想法?谁能帮帮我?
<h1 id="dag">Uw Dag</h1>
<h2 id='full'>a</h2>
<h3 id='tijd'>tijd</h3>
function addZero(i) {
if (i < 10) {
i = "0" + i;
}
return i;
}
function headerDag() {
var d = new Date();
var weekdays = ["Zondag", "Maandag", "Dinsdag", "Woensdag", "Donderdag", "Vrijdag", "Zaterdag"];
var weekday = weekdays[d.getDay()];
return weekday;
}
function getActualFullDate() {
setInterval(getActualFullDate, 3000);
var months = ["Januari", "Februari", "Maart", "April", "Mei", "Juni", "Juli", "Augustus", "September", "Oktober", "November", "December"];
var d = new Date();
var day = addZero(d.getDate());
var month = months[d.getMonth()];
var year = addZero(d.getFullYear());
var h = addZero(d.getHours());
var m = addZero(d.getMinutes());
var s = addZero(d.getSeconds());
return day + " " + month + " " + year + " " + h + ":" + m + ":" + s;
}
$(document).ready(function() {
$("#full").html(getActualFullDate());
$("#dag").html(headerDag());
});
getActualFullDate()
不会更新HTML,它只会返回一个字符串。间隔函数需要调用.html()
。
function addZero(i) {
if (i < 10) {
i = "0" + i;
}
return i;
}
function headerDag() {
var d = new Date();
var weekdays = ["Zondag", "Maandag", "Dinsdag", "Woensdag", "Donderdag", "Vrijdag", "Zaterdag"];
var weekday = weekdays[d.getDay()];
return weekday;
}
function getActualFullDate() {
var months = ["Januari", "Februari", "Maart", "April", "Mei", "Juni", "Juli", "Augustus", "September", "Oktober", "November", "December"];
var d = new Date();
var day = addZero(d.getDate());
var month = months[d.getMonth()];
var year = addZero(d.getFullYear());
var h = addZero(d.getHours());
var m = addZero(d.getMinutes());
var s = addZero(d.getSeconds());
return day + " " + month + " " + year + " " + h + ":" + m + ":" + s;
}
$(document).ready(function() {
setInterval(function () {
$("#full").html(getActualFullDate());
$("#dag").html(headerDag());
}, 3000);
});