blocks|key|4564843|text|@nickf是正确的。然而，更准确地说：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4564844|//+if+you+try+to+print+it,+it+will+return+something+like:
//+Sat+Mar+21+2009+20:13:07+GMT-0400+(Eastern+Daylight+Time)
//+This+time+comes+from+the+user's+machine.
var+myDate+=+new+Date();|code-block|syntax|javascript|4564845|因此，如果您希望将其显示为mm/dd/yyyy，您可以这样做：|4564846|var+displayDate+=+(myDate.getMonth()%2B1)+%2B+'/'+%2B+(myDate.getDate())+%2B+'/'+%2B+myDate.getFullYear();|4564847|查看Date对象的full+reference。不幸的是，打印出各种格式并不像使用其他服务器端语言那样好。出于这个原因，there-are-many-functions可以在野外使用。|offset|length|4564848|entityMap|0|LINK|mutability|MUTABLE|url|http://www.w3schools.com/jsref/jsref_obj_date.asp|1|http://blog.stevenlevithan.com/archives/date-time-format|2|http://jacwright.com/projects/javascript/date_format|3|http://www.webdevelopersnotes.com/tips/html/10_ways_to_format_time_and_date_using_javascript.php3|4|http://www.codeproject.com/KB/scripting/dateformat.aspx^0|0|0|0|0|9|E|0|1O|5|1|1U|3|2|1Y|4|3|23|9|4|0^^$0|@$1|2|3|4|5|6|7|14|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|15|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|16|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|17|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|18|8|@]|9|@$M|19|N|1A|1|1B]|$M|1C|N|1D|1|1E]|$M|1F|N|1G|1|1H]|$M|1I|N|1J|1|1K]|$M|1L|N|1M|1|1N]]|A|$]]|$1|O|3|-4|5|6|7|1O|8|@]|9|@]|A|$]]]|P|$Q|$5|R|S|T|A|$U|V]]|W|$5|R|S|T|A|$U|X]]|Y|$5|R|S|T|A|$U|Z]]|10|$5|R|S|T|A|$U|11]]|12|$5|R|S|T|A|$U|13]]]]

@nickf's correct. However, to be a little more precise:

<pre><code>// if you try to print it, it will return something like:
// Sat Mar 21 2009 20:13:07 GMT-0400 (Eastern Daylight Time)
// This time comes from the user's machine.
var myDate = new Date();
</code></pre>

So if you want to display it as mm/dd/yyyy, you would do this:

<pre><code>var displayDate = (myDate.getMonth()+1) + '/' + (myDate.getDate()) + '/' + myDate.getFullYear();
</code></pre>

Check out the <a href="http://www.w3schools.com/jsref/jsref_obj_date.asp" rel="noreferrer">full reference</a> of the Date object. Unfortunately it is not nearly as nice to print out various formats as it is with other server-side languages. For this reason <a href="http://blog.stevenlevithan.com/archives/date-time-format" rel="noreferrer">there</a>-<a href="http://jacwright.com/projects/javascript/date_format" rel="noreferrer">are</a>-<a href="http://www.webdevelopersnotes.com/tips/html/10_ways_to_format_time_and_date_using_javascript.php3" rel="noreferrer">many</a>-<a href="http://www.codeproject.com/KB/scripting/dateformat.aspx" rel="noreferrer">functions</a> available in the wild.

blocks|key|3720083|text|是，有可能：|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|3720084|jQuery.now()|code-block|syntax|javascript|3720085|或者简单地说|3720086|$.now()|3720087|see+jQuery+Documentation+for+jQuery.now()|3720088|entityMap|0|LINK|mutability|MUTABLE|url|http://api.jquery.com/jQuery.now/^0|0|1|0|0|0|0|0|15|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|11|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|12|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|13|8|@]|D|@]|E|$I|J]]|$1|O|3|P|5|6|7|14|8|@]|D|@$9|15|A|16|1|17]]|E|$]]|$1|Q|3|-4|5|6|7|18|8|@]|D|@]|E|$]]]|R|$S|$5|T|U|V|E|$W|X]]]]

Yes, it is possible:

<pre><code>jQuery.now()
</code></pre>

or simply

<pre><code>$.now()
</code></pre>

<a href="http://api.jquery.com/jQuery.now/" rel="noreferrer">see jQuery Documentation for jQuery.now()</a>

blocks|key|3720045|text|你不需要jquery来做到这一点，只需要javascript即可。例如，您可以使用以下命令进行计时器：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3720046|<body+onload="clock();">

<script+type="text/javascript">
function+clock()+{
+++var+now+=+new+Date();
+++var+outStr+=+now.getHours()%2B':'%2Bnow.getMinutes()%2B':'%2Bnow.getSeconds();
+++document.getElementById('clockDiv').innerHTML=outStr;
+++setTimeout('clock()',1000);
}
clock();
</script>+++

<div+id="clockDiv"></div>

</body>|code-block|syntax|javascript|3720047|您可以在此处查看完整的参考资料：http://www.hunlock.com/blogs/Javascript_Dates-The_Complete_Reference|offset|length|3720048|entityMap|0|LINK|mutability|MUTABLE|url|http://www.hunlock.com/blogs/Javascript_Dates-The_Complete_Reference^0|0|0|G|1W|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@$I|V|J|W|1|X]]|A|$]]|$1|K|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

You don't need jquery to do that, just javascript. For example, you can do a timer using this:

<pre><code>&lt;body onload="clock();"&gt;

&lt;script type="text/javascript"&gt;
function clock() {
 var now = new Date();
 var outStr = now.getHours()+':'+now.getMinutes()+':'+now.getSeconds();
 document.getElementById('clockDiv').innerHTML=outStr;
 setTimeout('clock()',1000);
}
clock();
&lt;/script&gt; 

&lt;div id="clockDiv"&gt;&lt;/div&gt;

&lt;/body&gt;
</code></pre>

You can view a complete reference here: <a href="http://www.hunlock.com/blogs/Javascript_Dates-The_Complete_Reference" rel="noreferrer">http://www.hunlock.com/blogs/Javascript_Dates-The_Complete_Reference</a>

blocks|key|1116117|text|它是普通的javascript：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1116118|new+Date()|code-block|syntax|javascript|1116119|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

It's plain javascript:

<pre><code>new Date()
</code></pre>

blocks|key|4564940|text|这是我的方式：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4564941|++++<script+type="text/javascript">
$(document).ready(function()+{
++++setInterval(function(){currentTime("#idTimeField")},+500);
});
function+currentTime(field)+{
++++var+now+=+new+Date();
++++now+=+now.getHours()+%2B+':'+%2B+now.getMinutes()+%2B+':'+%2B+now.getSeconds();
++++$(field).val(now);
}|code-block|syntax|javascript|4564942|这可能不是最好的，但要做好工作:)|4564943|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

this is my way :

<pre><code> &lt;script type="text/javascript"&gt;
$(document).ready(function() {
 setInterval(function(){currentTime("#idTimeField")}, 500);
});
function currentTime(field) {
 var now = new Date();
 now = now.getHours() + ':' + now.getMinutes() + ':' + now.getSeconds();
 $(field).val(now);
}
</code></pre>

it's not maybe the best but do the work :)

blocks|key|4564970|text|令人恼火的是，Javascript的date.getSeconds()等人不会用零11:0:0代替11:00:00来填充结果。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|4564971|所以我喜欢用|4564972|date.toLocaleTimestring()|code-block|syntax|javascript|4564973|这将呈现11:00:00+AM。在使用额外的选项时要小心，有些浏览器不支持它们(Safari)|4564974|Documentation|4564975|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toLocaleTimeString^0|I|H|15|6|1D|8|0|0|0|4|B|0|0|D|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]|$9|11|A|12|B|C]|$9|13|A|14|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|15|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|16|8|@]|D|@]|E|$K|L]]|$1|M|3|N|5|6|7|17|8|@$9|18|A|19|B|C]]|D|@]|E|$]]|$1|O|3|P|5|6|7|1A|8|@]|D|@$9|1B|A|1C|1|1D]]|E|$]]|$1|Q|3|-4|5|6|7|1E|8|@]|D|@]|E|$]]]|R|$S|$5|T|U|V|E|$W|X]]]]

Annoyingly Javascript's <code>date.getSeconds()</code> et al will not pad the result with zeros <code>11:0:0</code> instead of <code>11:00:00</code>. 

So I like to use 

<pre><code>date.toLocaleTimestring()
</code></pre>

Which renders <code>11:00:00 AM</code>. Just beware when using the extra options, some browsers don't support them (Safari)

<a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toLocaleTimeString" rel="nofollow">Documentation</a>

is it possible to create a jQuery function so that it gets current date and time? I've been looking around documentation but haven't found anything so far...

jQuery getTime function

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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是否可以创建一个jQuery函数来获取当前日期和时间？我一直在寻找文档，但到目前为止还没有找到任何东西……

问jQuery getTime函数
EN

回答 6

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