Use pointer-events CSS style. (as Jason MacDonald suggested)
See MDN https://developer.mozilla.org/en-US/docs/Web/CSS/pointer-events. Its supported in most browsers.
Simple adding "disabled" attribute to anchor will do the job if you have global CSS rule like following:
a[disabled], a[disabled]:hover {
pointer-events: none;
color: #e1e1e1;
}