[英]How to dynamically change the value of a CSS property inside a stylesheet?
如果我有css:
.myclass
{
background: #FF00FF;
}
和HTML:
<div class="myclass">etc.</div>
<div class="myotherclass">etc.</div>
<div class="myclass">etc.</div>
如何将myclass的背景变量更改为另一种颜色,以便该类的所有div都可以更改其背景?
请不要jquery,谢谢
干得好:
[].every.call( document.styleSheets, function ( sheet ) {
return [].every.call( sheet.cssRules, function ( rule ) {
if ( rule.selectorText === '.myclass' ) {
rule.style.backgroundColor = 'green';
return false;
}
return true;
});
});
现场演示: http : //jsfiddle.net/gHXbq/
希望我接近你所期待的,当我说你可以尝试这样的事情: -
$(document).ready(function(){ $("button").click(function(){ $("div").toggleClass("myclass"); }); });
.myclass { background: #FF00FF; }
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> </head> <body> <button>Set the color property of all p elements</button> <div class="myclass">etc.</div> <div class="myotherclass">etc.</div> <div class="myclass">etc.</div> </body> </html>
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.