我在 div 元素中有一个视频播放器。我想禁用除 DIV 之外的所有内容。一种方法是使用 lightbox，但我想知道是否可以使用纯 HTML/Javascript 来实现。
我给你做了一个简单的例子，
jQuery ;
$(".disable").on('click', function(){
// * = select All, find Div, Not (#video) and edit css opacity
$("*").find('div').not("#video").css('opacity', '0.1');
});
HTML ;
<button class="disable">Disable</button>
<div class="header">Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.</div>
<div id="video">
<img src="http://fandomania.com/wp-content/uploads/2012/04/06/anarchy01.jpg">
</div>
<div class="footer">Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
Css ;
.header{border:1px solid #000;background:#cc0000;color:#fff;}
.footer{border:1px solid #000;background:#cc0000;color:#fff;}
Check FIDDLE http://jsfiddle.net/mehmetakifalp/94gmW/
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