样式中设置content为元素的data-值
p{
color: deepskyblue;
}
p:before{
content: attr(data-beforeContent);
color: darkred;
}
然后js修改
$('p').on('click',function(){
$(this).attr('data-beforeContent','我被点击了');
});
样式中设置content为元素的data-值
p{
color: deepskyblue;
}
p:before{
content: attr(data-beforeContent);
color: darkred;
}
然后js修改
$('p').on('click',function(){
$(this).attr('data-beforeContent','我被点击了');
});
本文标题:动态修改before/after的content值
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