实现方式:css
div:empty:before{
content: attr(placeholder);
color:#bbb;
}
div:focus:before{
content:none;
}
nullman 2016-12-09 12:34 原文
实现方式:css
div:empty:before{
content: attr(placeholder);
color:#bbb;
}
div:focus:before{
content:none;
}