Esconder elemento css ao clicar

by thvinic

HTML

<span id="mostra"  class="mostra">mostrar navegação</span>

CSS

.btn-toolbar {
    display: none;
}

JavaScript

document.querySelector(".mostra").addEventListener("click", function () {
  const infoBox = document.querySelectorAll(".btn-toolbar");
  infoBox.forEach(i => {
    if (i.style.display == "block") {
      i.style.display = "none";
    } else {
        i.style.display = "block";
    }
  })
})