Alter CSS dynamically using JQuery (or simple Javascript) based on date comparison -


i hand-coding small calendar of events. wish display basic event information (date, time, location, link learn more). since page have more 10-20 events listed @ given time (and once or twice per year), i'm not over-engineering using calendar plugin or anything.

all wish compare current date against html5 <time date=""></time> attribute , alter css on parent element if date specified in past (by @ least 1 day).

by default background color of <li> element class .event white (#fff). if date in past, want background color on <li class='event'> class change grey (#ddd) when page loads.

<doctype html>  <html>  <head>  <title>events</title>  <style>  	.event {  		background-color: #fff;  	}  </style>  <script>    </script>  </head>  <body>  	<ul class="row block-grid events">  		<li class="small-12 medium-6 large-4 column event">  			<dl>  				<dt><time date="2016-02-02">feb 2</time></dt>  				<dd>boston public library @ 7:00pm</dd>  				<dd>book launch</dd>  				<dd>boston, ma</dd>  				<dd><a href="http://www.bpl.org">more details</a></dd>  			</dl>  		</li>  	</ul>  </body>  </html>

here jquery solution. use "addclass()" or similar method more flexibility.

https://jsfiddle.net/4nb0w2yu/1/

$('time').each(function() {   var submitted_date = new date($(this).attr('date'));   var = new date();   console.log(submitted_date.gettime() < now.gettime());   if (submitted_date.gettime() < now.gettime()) {     $(this).parent().parent().css('background', 'gray')   } });

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