//将有颜色的图标变为baise
img { filter:brightness(70%); }
原文链接 https://blog.csdn.net/nanhupatar/article/details/82793637
https://www.cnblogs.com/phpjinggege/p/5646412.html
function delHtmlTag(str){
return str.replace(/<[^>]+>/g,"");//去掉所有的html标记
}