禁用 html a link

来源：https://css-tricks.com/how-to-disable-links/

.isDisabled {
  cursor: not-allowed;
  opacity: 0.5;
}
.isDisabled > a {
  color: currentColor;
  display: inline-block;  /* For IE11/ MS Edge bug */
  pointer-events: none;
  text-decoration: none;
}

<span class="isDisabled"><a href="https://unfetteredthoughts.net">Disabled Link</a></span>