JSFiddle - React, Tailwind, and code Playground

by Laurent Dufour

HTML

<p class="ContRowBorderLeftp"><span class="spanss">coucou</span></p>

CSS

.Dnone {
  color:red;
}

.failed {
  color: red;
}

JavaScript

var spanss = document.querySelectorAll(".spanss");

spanss.forEach(function(lined) {
  console.log(lined);
  if (lined.innerHTML.match(/^\s*$/)) {
  	lined.classList.add("Dnone");
  } else {
   	lined.classList.add("failed");
  }/* le else et juste la pour le test  */
});

spanss.forEach(function (deswpanspan) {
  if (deswpanspan.innerHTML.classList.contains("Dnone")) {
    deswpanspan.parentElement.classlist.add("Dnone");
  } else {
    deswpanspan.classList.add("failed");
  }/* le else et juste la pour le test  */
})