我有一个 jquery 倒计时脚本，但它似乎不会每秒更新一次，所以每次你想知道新的倒计时时间时都必须更新网页。你能帮我改一下，让它自动更新吗？
(function ($) {
function Countdown() {
this.regional = [];
this.regional[''] = {
labels: ['Years', 'Months', 'Weeks', 'Days', 'Hours', 'Minutes', 'Seconds'],
labels1: ['Year', 'Month', 'Week', 'Day', 'Hour', 'Minute', 'Second'],
compactLabels: ['y', 'm', 'w', 'd'],
whichLabels: null,
digits: ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9'],
timeSeparator: ':',
isRTL: false
};
this._defaults = {
until: null,
since: null,
timezone: null,
serverSync: null,
format: 'dHMS',
layout: '',
compact: false,
significant: 0,
description: '',
expiryUrl: '',
expiryText: '',
alwaysExpire: false,
onExpiry: null,
onTick: null,
tickInterval: 1
};
$.extend(this._defaults, this.regional['']);
this._serverSyncs = [];
function timerCallBack(a) {
var b = (a || new Date().getTime());
if (b - d >= 1000) {
x._updateTargets();
d = b
}
c(timerCallBack)
}
var c = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || null;
var d = 0;
if (!c || $.noRequestAnimationFrame) {
$.noRequestAnimationFrame = null;
setInterval(function () {
x._updateTargets()
}, 980)
} else {
d = window.mozAnimationStartTime || new Date().getTime();
c(timerCallBack)
}
}
var Y = 0;
var O = 1;
var W = 2;
var D = 3;
var H = 4;
var M = 5;
var S = 6;
$.extend(Countdown.prototype, {
markerClassName: 'hasCountdown',
propertyName: 'countdown',
_rtlClass: 'countdown_rtl',
_sectionClass: 'countdown_section',
_amountClass: 'countdown_amount',
_rowClass: 'countdown_row',
_holdingClass: 'countdown_holding',
_showClass: 'countdown_show',
_descrClass: 'countdown_descr',
_timerTargets: [],
setDefaults: function (a) {
this._resetExtraLabels(this._defaults, a);
$.extend(this._defaults, a || {})
},
UTCDate: function (a, b, c, e, f, g, h, i) {
if (typeof b == 'object' && b.constructor == Date) {
i = b.getMilliseconds();
h = b.getSeconds();
g = b.getMinutes();
f = b.getHours();
e = b.getDate();
c = b.getMonth();
b = b.getFullYear()
}
var d = new Date();
d.setUTCFullYear(b);
d.setUTCDate(1);
d.setUTCMonth(c || 0);
d.setUTCDate(e || 1);
d.setUTCHours(f || 0);
d.setUTCMinutes((g || 0) - (Math.abs(a) < 30 ? a * 60 : a));
d.setUTCSeconds(h || 0);
d.setUTCMilliseconds(i || 0);
return d
},
periodsToSeconds: function (a) {
return a[0] * 31557600 + a[1] * 2629800 + a[2] * 604800 + a[3] * 86400 + a[4] * 3600 + a[5] * 60 + a[6]
},
_attachPlugin: function (a, b) {
a = $(a);
if (a.hasClass(this.markerClassName)) {
return
}
var c = {
options: $.extend({}, this._defaults),
_periods: [0, 0, 0, 0, 0, 0, 0]
};
a.addClass(this.markerClassName).data(this.propertyName, c);
this._optionPlugin(a, b)
},
_addTarget: function (a) {
if (!this._hasTarget(a)) {
this._timerTargets.push(a)
}
},
_hasTarget: function (a) {
return ($.inArray(a, this._timerTargets) > -1)
},
_removeTarget: function (b) {
this._timerTargets = $.map(this._timerTargets, function (a) {
return (a == b ? null : a)
})
},
_updateTargets: function () {
for (var i = this._timerTargets.length - 1; i >= 0; i--) {
this._updateCountdown(this._timerTargets[i])
}
},
_optionPlugin: function (a, b, c) {
a = $(a);
var d = a.data(this.propertyName);
if (!b || (typeof b == 'string' && c == null)) {
var e = b;
b = (d || {}).options;
return (b && e ? b[e] : b)
}
if (!a.hasClass(this.markerClassName)) {
return
}
b = b || {};
if (typeof b == 'string') {
var e = b;
b = {};
b[e] = c
}
this._resetExtraLabels(d.options, b);
$.extend(d.options, b);
this._adjustSettings(a, d);
var f = new Date();
if ((d._since && d._since < f) || (d._until && d._until > f)) {
this._addTarget(a)
}
this._updateCountdown(a, d)
},
_updateCountdown: function (a, b) {
var c = $(a);
b = b || c.data(this.propertyName);
if (!b) {
return
}
c.html(this._generateHTML(b)).toggleClass(this._rtlClass, b.options.isRTL);
if ($.isFunction(b.options.onTick)) {
var d = b._hold != 'lap' ? b._periods : this._calculatePeriods(b, b._show, b.options.significant, new Date());
if (b.options.tickInterval == 1 || this.periodsToSeconds(d) % b.options.tickInterval == 0) {
b.options.onTick.apply(a, [d])
}
}
var e = b._hold != 'pause' && (b._since ? b._now.getTime() < b._since.getTime() : b._now.getTime() >= b._until.getTime());
if (e && !b._expiring) {
b._expiring = true;
if (this._hasTarget(a) || b.options.alwaysExpire) {
this._removeTarget(a);
if ($.isFunction(b.options.onExpiry)) {
b.options.onExpiry.apply(a, [])
}
if (b.options.expiryText) {
var f = b.options.layout;
b.options.layout = b.options.expiryText;
this._updateCountdown(a, b);
b.options.layout = f
}
if (b.options.expiryUrl) {
window.location = b.options.expiryUrl
}
}
b._expiring = false
} else if (b._hold == 'pause') {
this._removeTarget(a)
}
c.data(this.propertyName, b)
},
_resetExtraLabels: function (a, b) {
var c = false;
for (var n in b) {
if (n != 'whichLabels' && n.match(/[Ll]abels/)) {
c = true;
break
}
}
if (c) {
for (var n in a) {
if (n.match(/[Ll]abels[02-9]/)) {
a[n] = null
}
}
}
},
_adjustSettings: function (a, b) {
var c;
var d = 0;
var e = null;
for (var i = 0; i < this._serverSyncs.length; i++) {
if (this._serverSyncs[i][0] == b.options.serverSync) {
e = this._serverSyncs[i][1];
break
}
}
if (e != null) {
d = (b.options.serverSync ? e : 0);
c = new Date()
} else {
var f = ($.isFunction(b.options.serverSync) ? b.options.serverSync.apply(a, []) : null);
c = new Date();
d = (f ? c.getTime() - f.getTime() : 0);
this._serverSyncs.push([b.options.serverSync, d])
}
var g = b.options.timezone;
g = (g == null ? -c.getTimezoneOffset() : g);
b._since = b.options.since;
if (b._since != null) {
b._since = this.UTCDate(g, this._determineTime(b._since, null));
if (b._since && d) {
b._since.setMilliseconds(b._since.getMilliseconds() + d)
}
}
b._until = this.UTCDate(g, this._determineTime(b.options.until, c));
if (d) {
b._until.setMilliseconds(b._until.getMilliseconds() + d)
}
b._show = this._determineShow(b)
},
_destroyPlugin: function (a) {
a = $(a);
if (!a.hasClass(this.markerClassName)) {
return
}
this._removeTarget(a[0]);
a.removeClass(this.markerClassName).empty().removeData(this.propertyName)
},
_pausePlugin: function (a) {
this._hold(a, 'pause')
},
_lapPlugin: function (a) {
this._hold(a, 'lap')
},
_resumePlugin: function (a) {
this._hold(a, null)
},
_hold: function (a, b) {
var c = $.data(a, this.propertyName);
if (c) {
if (c._hold == 'pause' && !b) {
c._periods = c._savePeriods;
var d = (c._since ? '-' : '+');
c[c._since ? '_since' : '_until'] = this._determineTime(d + c._periods[0] + 'y' + d + c._periods[1] + 'o' + d + c._periods[2] + 'w' + d + c._periods[3] + 'd' + d + c._periods[4] + 'h' + d + c._periods[5] + 'm' + d + c._periods[6] + 's');
this._addTarget(a)
}
c._hold = b;
c._savePeriods = (b == 'pause' ? c._periods : null);
$.data(a, this.propertyName, c);
this._updateCountdown(a, c)
}
},
_getTimesPlugin: function (a) {
var b = $.data(a, this.propertyName);
return (!b ? null : (!b._hold ? b._periods : this._calculatePeriods(b, b._show, b.options.significant, new Date())))
},
_determineTime: function (k, l) {
var m = function (a) {
var b = new Date();
b.setTime(b.getTime() + a * 1000);
return b
};
var n = function (a) {
a = a.toLowerCase();
var b = new Date();
var c = b.getFullYear();
var d = b.getMonth();
var e = b.getDate();
var f = b.getHours();
var g = b.getMinutes();
var h = b.getSeconds();
var i = /([+-]?[0-9]+)\s*(s|m|h|d|w|o|y)?/g;
var j = i.exec(a);
while (j) {
switch (j[2] || 's') {
case 's':
h += parseInt(j[1], 10);
break;
case 'm':
g += parseInt(j[1], 10);
break;
case 'h':
f += parseInt(j[1], 10);
break;
case 'd':
e += parseInt(j[1], 10);
break;
case 'w':
e += parseInt(j[1], 10) * 7;
break;
case 'o':
d += parseInt(j[1], 10);
e = Math.min(e, x._getDaysInMonth(c, d));
break;
case 'y':
c += parseInt(j[1], 10);
e = Math.min(e, x._getDaysInMonth(c, d));
break
}
j = i.exec(a)
}
return new Date(c, d, e, f, g, h, 0)
};
var o = (k == null ? l : (typeof k == 'string' ? n(k) : (typeof k == 'number' ? m(k) : k)));
if (o) o.setMilliseconds(0);
return o
},
_getDaysInMonth: function (a, b) {
return 32 - new Date(a, b, 32).getDate()
},
_normalLabels: function (a) {
return a
},
_generateHTML: function (c) {
var d = this;
c._periods = (c._hold ? c._periods : this._calculatePeriods(c, c._show, c.options.significant, new Date()));
var e = false;
var f = 0;
var g = c.options.significant;
var h = $.extend({}, c._show);
for (var i = Y; i <= S; i++) {
e |= (c._show[i] == '?' && c._periods[i] > 0);
h[i] = (c._show[i] == '?' && !e ? null : c._show[i]);
f += (h[i] ? 1 : 0);
g -= (c._periods[i] > 0 ? 1 : 0)
}
var j = [false, false, false, false, false, false, false];
for (var i = S; i >= Y; i--) {
if (c._show[i]) {
if (c._periods[i]) {
j[i] = true
} else {
j[i] = g > 0;
g--
}
}
}
var k = (c.options.compact ? c.options.compactLabels : c.options.labels);
var l = c.options.whichLabels || this._normalLabels;
var m = function (a) {
var b = c.options['compactLabels' + l(c._periods[a])];
return (h[a] ? d._translateDigits(c, c._periods[a]) + (b ? b[a] : k[a]) + ' ' : '')
};
var n = function (a) {
var b = c.options['labels' + l(c._periods[a])];
return ((!c.options.significant && h[a]) || (c.options.significant && j[a]) ? '<span class="' + x._sectionClass + '">' + '<span class="' + x._amountClass + '">' + d._translateDigits(c, c._periods[a]) + '</span><br/>' + (b ? b[a] : k[a]) + '</span>' : '')
};
return (c.options.layout ? this._buildLayout(c, h, c.options.layout, c.options.compact, c.options.significant, j) : ((c.options.compact ? '<span class="' + this._rowClass + ' ' + this._amountClass + (c._hold ? ' ' + this._holdingClass : '') + '">' + m(Y) + m(O) + m(W) + m(D) + (h[H] ? this._minDigits(c, c._periods[H], 2) : '') + (h[M] ? (h[H] ? c.options.timeSeparator : '') + this._minDigits(c, c._periods[M], 2) : '') + (h[S] ? (h[H] || h[M] ? c.options.timeSeparator : '') + this._minDigits(c, c._periods[S], 2) : '') : '<span class="' + this._rowClass + ' ' + this._showClass + (c.options.significant || f) + (c._hold ? ' ' + this._holdingClass : '') + '">' + n(Y) + n(O) + n(W) + n(D) + n(H) + n(M) + n(S)) + '</span>' + (c.options.description ? '<span class="' + this._rowClass + ' ' + this._descrClass + '">' + c.options.description + '</span>' : '')))
},
_buildLayout: function (c, d, e, f, g, h) {
var j = c.options[f ? 'compactLabels' : 'labels'];
var k = c.options.whichLabels || this._normalLabels;
var l = function (a) {
return (c.options[(f ? 'compactLabels' : 'labels') + k(c._periods[a])] || j)[a]
};
var m = function (a, b) {
return c.options.digits[Math.floor(a / b) % 10]
};
var o = {
desc: c.options.description,
sep: c.options.timeSeparator,
yl: l(Y),
yn: this._minDigits(c, c._periods[Y], 1),
ynn: this._minDigits(c, c._periods[Y], 2),
ynnn: this._minDigits(c, c._periods[Y], 3),
y1: m(c._periods[Y], 1),
y10: m(c._periods[Y], 10),
y100: m(c._periods[Y], 100),
y1000: m(c._periods[Y], 1000),
ol: l(O),
on: this._minDigits(c, c._periods[O], 1),
onn: this._minDigits(c, c._periods[O], 2),
onnn: this._minDigits(c, c._periods[O], 3),
o1: m(c._periods[O], 1),
o10: m(c._periods[O], 10),
o100: m(c._periods[O], 100),
o1000: m(c._periods[O], 1000),
wl: l(W),
wn: this._minDigits(c, c._periods[W], 1),
wnn: this._minDigits(c, c._periods[W], 2),
wnnn: this._minDigits(c, c._periods[W], 3),
w1: m(c._periods[W], 1),
w10: m(c._periods[W], 10),
w100: m(c._periods[W], 100),
w1000: m(c._periods[W], 1000),
dl: l(D),
dn: this._minDigits(c, c._periods[D], 1),
dnn: this._minDigits(c, c._periods[D], 2),
dnnn: this._minDigits(c, c._periods[D], 3),
d1: m(c._periods[D], 1),
d10: m(c._periods[D], 10),
d100: m(c._periods[D], 100),
d1000: m(c._periods[D], 1000),
hl: l(H),
hn: this._minDigits(c, c._periods[H], 1),
hnn: this._minDigits(c, c._periods[H], 2),
hnnn: this._minDigits(c, c._periods[H], 3),
h1: m(c._periods[H], 1),
h10: m(c._periods[H], 10),
h100: m(c._periods[H], 100),
h1000: m(c._periods[H], 1000),
ml: l(M),
mn: this._minDigits(c, c._periods[M], 1),
mnn: this._minDigits(c, c._periods[M], 2),
mnnn: this._minDigits(c, c._periods[M], 3),
m1: m(c._periods[M], 1),
m10: m(c._periods[M], 10),
m100: m(c._periods[M], 100),
m1000: m(c._periods[M], 1000),
sl: l(S),
sn: this._minDigits(c, c._periods[S], 1),
snn: this._minDigits(c, c._periods[S], 2),
snnn: this._minDigits(c, c._periods[S], 3),
s1: m(c._periods[S], 1),
s10: m(c._periods[S], 10),
s100: m(c._periods[S], 100),
s1000: m(c._periods[S], 1000)
};
var p = e;
for (var i = Y; i <= S; i++) {
var q = 'yowdhms'.charAt(i);
var r = new RegExp('\\{' + q + '<\\}(.*)\\{' + q + '>\\}', 'g');
p = p.replace(r, ((!g && d[i]) || (g && h[i]) ? '$1' : ''))
}
$.each(o, function (n, v) {
var a = new RegExp('\\{' + n + '\\}', 'g');
p = p.replace(a, v)
});
return p
},
_minDigits: function (a, b, c) {
b = '' + b;
if (b.length >= c) {
return this._translateDigits(a, b)
}
b = '0000000000' + b;
return this._translateDigits(a, b.substr(b.length - c))
},
_translateDigits: function (b, c) {
return ('' + c).replace(/[0-9]/g, function (a) {
return b.options.digits[a]
})
},
_determineShow: function (a) {
var b = a.options.format;
var c = [];
c[Y] = (b.match('y') ? '?' : (b.match('Y') ? '!' : null));
c[O] = (b.match('o') ? '?' : (b.match('O') ? '!' : null));
c[W] = (b.match('w') ? '?' : (b.match('W') ? '!' : null));
c[D] = (b.match('d') ? '?' : (b.match('D') ? '!' : null));
c[H] = (b.match('h') ? '?' : (b.match('H') ? '!' : null));
c[M] = (b.match('m') ? '?' : (b.match('M') ? '!' : null));
c[S] = (b.match('s') ? '?' : (b.match('S') ? '!' : null));
return c
},
_calculatePeriods: function (c, d, e, f) {
c._now = f;
c._now.setMilliseconds(0);
var g = new Date(c._now.getTime());
if (c._since) {
if (f.getTime() < c._since.getTime()) {
c._now = f = g
} else {
f = c._since
}
} else {
g.setTime(c._until.getTime());
if (f.getTime() > c._until.getTime()) {
c._now = f = g
}
}
var h = [0, 0, 0, 0, 0, 0, 0];
if (d[Y] || d[O]) {
var i = x._getDaysInMonth(f.getFullYear(), f.getMonth());
var j = x._getDaysInMonth(g.getFullYear(), g.getMonth());
var k = (g.getDate() == f.getDate() || (g.getDate() >= Math.min(i, j) && f.getDate() >= Math.min(i, j)));
var l = function (a) {
return (a.getHours() * 60 + a.getMinutes()) * 60 + a.getSeconds()
};
var m = Math.max(0, (g.getFullYear() - f.getFullYear()) * 12 + g.getMonth() - f.getMonth() + ((g.getDate() < f.getDate() && !k) || (k && l(g) < l(f)) ? -1 : 0));
h[Y] = (d[Y] ? Math.floor(m / 12) : 0);
h[O] = (d[O] ? m - h[Y] * 12 : 0);
f = new Date(f.getTime());
var n = (f.getDate() == i);
var o = x._getDaysInMonth(f.getFullYear() + h[Y], f.getMonth() + h[O]);
if (f.getDate() > o) {
f.setDate(o)
}
f.setFullYear(f.getFullYear() + h[Y]);
f.setMonth(f.getMonth() + h[O]);
if (n) {
f.setDate(o)
}
}
var p = Math.floor((g.getTime() - f.getTime()) / 1000);
var q = function (a, b) {
h[a] = (d[a] ? Math.floor(p / b) : 0);
p -= h[a] * b
};
q(W, 604800);
q(D, 86400);
q(H, 3600);
q(M, 60);
q(S, 1);
if (p > 0 && !c._since) {
var r = [1, 12, 4.3482, 7, 24, 60, 60];
var s = S;
var t = 1;
for (var u = S; u >= Y; u--) {
if (d[u]) {
if (h[s] >= t) {
h[s] = 0;
p = 1
}
if (p > 0) {
h[u]++;
p = 0;
s = u;
t = 1
}
}
t *= r[u]
}
}
if (e) {
for (var u = Y; u <= S; u++) {
if (e && h[u]) {
e--
} else if (!e) {
h[u] = 0
}
}
}
return h
}
});
var w = ['getTimes'];
function isNotChained(a, b) {
if (a == 'option' && (b.length == 0 || (b.length == 1 && typeof b[0] == 'string'))) {
return true
}
return $.inArray(a, w) > -1
}
$.fn.countdown = function (a) {
var b = Array.prototype.slice.call(arguments, 1);
if (isNotChained(a, b)) {
return x['_' + a + 'Plugin'].apply(x, [this[0]].concat(b))
}
return this.each(function () {
if (typeof a == 'string') {
if (!x['_' + a + 'Plugin']) {
throw 'Unknown command: ' + a;
}
x['_' + a + 'Plugin'].apply(x, [this].concat(b))
} else {
x._attachPlugin(this, a || {})
}
})
};
var x = $.countdown = new Countdown()})(jQuery);
由于某种原因，代码在这里出现......
更新 对不起，忘记了“真实的东西”：P
$(document).ready(function() {
// Countdown date
var end = new Date("March, 25, 2013");
// Countdown handler
var countdownObj = {
until : end,
layout : '{dn}<span> {dl} </span>{hnn}<span> {hl} </span>{mnn}<span> {ml} </span>{snn}<span> {sl}</span>',
labels: ['years', 'months', 'weeks', 'days', 'hours', 'min', 'sec'],
labels1: ['year', 'month', 'week', 'day', 'hour', 'min', 'sec'],
expiryText : "Countdown is complete!"
};
$('#countdown').countdown(countdownObj);
});