content property

by blueseal

HTML

<!-- Learn about this code on MDN: https://developer.mozilla.org/en-US/docs/Web/CSS/attr -->

<p data-foo="hello">world</p>

<p title="hello"><span></span></p>

CSS

[data-foo]::before {
  content: attr(data-foo) " ";
}
p span{
  content: attr(title);
}